| Title | Handy Man's Workshop And Laboratory |
| Author | A. Russell Bond |
| Publisher | Munn & Co. |
| Year | 1910 |
| Copyright | 1909, Munn & Co. |
| Amazon | Handy Man's Workshop And Laboratory |
Compiled And Edited By A. Russell Bond
370 Illustrations
Preface
- Every practical mechanic, whether amateur or professional, has been confronted at one time or another with unexpected situations calling for the exercise of considerable ingenuity. The resourceful man...
- The interest taken by a man or boy in a shop that he himself has built will amply repay the small outlay of the first cost. Fig. 1 shows the inside view of a workshop good enough for any amateur, no ...
- The workbench shown in Fig. 1 is attached to the wall, thus saving time and labor in making it; but a stationary workbench is not always desirable, especially if there is no permanent shop for it. The...
- When constructing the bench for the Handy Man's Workshop, and it is desired to use the old but efficient screw-and-heel pattern woodworker's vise, the question of a suitable joint for the upper end of...
- The joints of a workbench are quite sure to work loose in time, and it is important that they be constructed in such a way that they may be tightened from time to time. The construction shown in Fig. ...
- A bench hook can be made from a piece of beech wood 3 by 2 by 9 inches in length. Cut out the hook as shown in dotted lines, in Fig. 16, and round the ends. The saw cut should be vertical and at right...
- It is sometimes necessary to put a long straight or bevel edge upon a board; and while this can be done by the aid of the try square or bevel square, the board being held in the vise, the accuracy of ...
- The large heavy tool chests which were at one time so much in use are very awkward to get at, injurious to the tools, and in other ways inconvenient and out of date. A cabinet secured to the wall, wit...
- When called to do outside jobs, it is very necessary to have some suitable box or chest in which to carry a few tools, either in the hand, on the shoulder, or on the back if a bicycle is used. The wri...
- A shop should be furnished with some kind of a writing shelf or desk, and since it is often necessary to make sketches or accurate drawings of details, a drawing board and desk combined will answer we...
- The grindstone is generally purchased with frame complete as shown. The frame is usually 24 inches high by 38 inches in length, out to out of handles, which are made of 2 1/2 by 1 5/8 inch stuff, shap...
- The accompanying description and illustration of a grinding and polishing machine made by the writer in about an hour's time and at practically no expense, may be of interest. The cheapness and ease w...
- A substantial lathe such as shown in Fig. 30 may be built as follows: The legs. A, are made from 2 x 4-inch timber, 3 feet 3 inches in length. They are spread 5 inches at the top, and 1 foot 6 inches...
- The following description of a scroll-saw was given to the writer by a first-class mechanic, who assured him that it was one of the most useful articles he had in his shop; and judging by the number o...
- Perhaps many an amateur is looking around for something to turn his lathe or to drive his emery wheel, or may be he is thinking of making a jig saw that will compare favorably with the best; not a mer...
- The object of the device illustrated in Fig. 54 is to enable one to obtain a true edge with a scroll saw. On the saw plate is clamped a semicircular guide, by means of two thumbscrews. The guide plat...
- Next to the lathe in importance comes the drill-press. While it does not cost nearly as much as a lathe, still its price would put a large hole in the average amateur's capital. Below is the descripti...
- Beech, a strong and durable close-drained wood, should be used in making a miter box. Make the box of 1-inch stuff, planed down to 7/8. The length will vary according to whether the 60-degree miter cu...
- For holding work together while being glued or nailed, a clamp of some description is indispensable. The one herewith illustrated has the advantage of being easily made by a blacksmith or the mechanic...
- The small clamps illustrated in Fig. 58, being of exactly the same size and shape, are a very handy thing to have in the workshop. To make them, select two pieces of machine steel just large enough t...
- A quick method of clamping a piece of work to the drill press or any table in which there are the usual holes for such a purpose is often a time saver. The accompanying illustration shows a quick cla...
- The majority of saw clamps on the market are either secured to the workbench by means of a thumbscrew clamp or other adjustment, or they are held in the vise - an arrangement having several bad featur...
- Desiring a saw-filing vise that would allow an ordinary saw to be filed or set from end to end without change and without chattering, to hold the saw rigidly and yet so that it could be instantly rele...
- The handy man's saw buck may be made from 2 1/2 or 3-inch stuff, 30 inches long, half-jointed, 9 inches from one end, as shown, the feet being spread 24 inches out to out. Battens, 6 inches by 1 inch,...
- They go by either of these names. Though simple enough, and at first thought almost unnecessary to refer to, it will be found by observation that few mechanics have a perfectly-built trestle. The leng...
- For moving heavy timber and other uses, a roller jack will be found very handy. It is easily constructed, any amateur being able to do the blacksmithing required. The framework should be made of oak o...
- It is sometimes necessary to bend or twist wood into various shapes to suit certain work. Long or short strips, and even planks, can be made very pliable by steaming them from half an hour to an hour ...
- When away from the shop, and wishing to plane a stick which has beveled ends, and having no means at hand of resting the bevel against anything without crushing the point, simply cut a short piece, sl...
- Even so commonplace an article as a clothespin can be put to use in the workshop of the resourceful amateur. The accompanying illustrations show how. Fig. 69 illustrates a clothespin compass. A large ...
- The accompanying illustration shows a simple method of constructing a neat and strong handle for a box, or a drawer. The handle is fashioned from two similar shade roller brackets which are fastened i...
- In sandpapering woodwork of irregular shape the paper is laid over a slick of wood and used practically as a file. For holding the paper the writer has often used a simple holder for different kinds o...
- It is an easy matter to file the ends of round rods if a piece wood with a notch cut in the top is placed in the vise, as shown in the cut, and the rod revolved toward you as the file is run over it. ...
- A very good way to hold pipe or rods that have a polished surface is to sprinkle dry plaster of Paris on heavy paper and roll the article to be held in the paper, taking care that there is plenty of t...
- It sometimes happens that the threads of a bolt or a pipe break off and must be cut without the aid of a screw-cutting die. This can be accomplished very easily with the aid of an ordinary half-round ...
- When it is desired to wind a spring with the coils spaced a uniform distance apart, a simple method is to use a former or guide, made of wire which is as thick as the space desired, between the coils....
- Not long ago the writer was called upon to replace a broken spring in a machine. It had to be done at a moment's notice, as the work could not be held up. The supply of springs was exhausted. The writ...
- For a rod threader for quick and accurate work on rods from 1/16 to 3/8 inch in diameter, all one needs is a bench or blacksmith's drill, with a three-jawed chuck. Clamp the rod to be threaded in the ...
- When the nut and screw in the handy man's hand vise are worn out he can repair them as follows without using a screw-cutting lathe: First file the old spindle smooth. Then take two pieces of soft squa...
- The accompanying illustration represents an improvised pipe wrench, very simple, yet effective, one that will fit the largest or smallest pipe. It may be vised on brass or iron pipe, without marking o...
- Fig. 86 shows how a pipe or the like may be held in an ordinary vise while being threaded. An ordinary pair of pipe pliers are used to hold the pipe and these in turn are held between the jaws of an o...
- The following may be of use to the handy man in an emergency. It is a simply-constructed pipe valve: Take a piece of pipe A of the required size and bore a hole B in it at right angles. This hole mus...
- When the boiler maker gets a rush order for repairing a boiler he gets busy. Quickly converting his overalls into a tool bag, he drops in half a dozen chisels, expander, hammer, etc., and then he is r...
- Requiring some small turnbuckles which would stand a sudden strain, the writer hunted through the hardware stores of New York without success. None small enough could be obtained having the left and r...
- Most universal joints on the market have at least a dozen different parts. One which has a big sale at present has no fewer than seventeen distinct parts, not including the shafts or feather keys for ...
- The accompanying engraving illustrates a selfdocking double dovetail which cannot be pulled off in either direction. On one of the pieces the tenons are chamfered at the inside while the grooves on th...
- When a screw breaks off in a brass or other soft-metal plate, dig it out in the usual manner, and, whether the thread in the hole is injured or not, a screw a trifle larger can be quite easily fitted,...
- The driving of a nail is deemed so simple a matter, that inability to do the job is often spoken of as though typifying entire lack of mechanical ability; yet it may be that some skilled mechanics hav...
- All who have had occasion to drive a nail through a thin or narrow strip of wood, especially near the end of the piece, have encountered the difficulty of preventing the wood from splitting, which wil...
- A convenient method of making a loose screw hold is illustrated herewith. Take a soft piece of copper wire, and wind it around the threads of the screw-as shown, thus in effect increasing the diameter...
- It is customary, when cutting off weatherboarding. to fit up against the corner strips of a frame house, to use the long square or carpenter's rule. The square is sometimes held along the edge of the ...
- A painter or any other mechanic is sometimes called upon to paint or repair work which is very unhandy to reach. Perhaps a ladder is to be supported in some manner upon a slanting roof of a shed, or o...
- When painting the side of a house or a building, it is not always convenient to rig up a platform, supported from the eaves or roof. It may also be a one-man job, in which case a platform of that natu...
- This handy tool will be found useful, and will save considerable time, in cutting wall paper up the rake of a stairway or where any ceiling slants, allowing the paper hanger to cut a number of lengths...
- An excellent substitute for leather belting can be made from a piece of ordinary fire hose, splitting it up the middle into two parts, i. e., two belts can be made from one piece of hose. The writer h...
- When boring a number of holes to the same depth, it is of considerable advantage to have some means for marking positively the extent to which the bit should penetrate the wood. The accompanying engra...
- A convenient drill holder that may be fitted to an ordinary carpenter's boring brace can be made as follows: Take a piece of soft steel about two inches long. File it tapered to fit the brace. Bore a ...
- When the drill pinches and squeals on drilling through pieces of wrought iron and copper, and is liable to twist off before you get the job done, why don't you swedge it? Use a small hammer, and be ca...
- In an emergency the writer made a drill driver as follows: A piece of 3/16-inch square brass wire about 10 inches long was slit at one end with a hack saw, as at 2. The opposite end was filed to a blu...
- A large washer makes a good level for drills, to show whether the hole is being drilled horizontally. Place the washer on the shank of the drill or bit, and then if it feeds forward or backward while ...
- Recently a man came to the writer and wanted a hole put through the center of some marbles. The accompanying sketch gives an idea of the way the work was accomplished. Through a piece of soft steel 2 ...
- A wrench for holding machine taps or reamers and the like can be easily made of a piece of flat steel and two machine screws; if steel is not handy, iron can be used. Take a piece of stock of about 3/...
- It often happens, when there is a very important piece of work-to be gotten out, the reamer of the size you want is broken, lost or under size. In a case of this sort the writer worked out the followi...
- The accompanying illustration represents a very good drill for brick walls and soft stone. The drill is made of an ordinary gas pipe and the end is serrated, which can be done with an ordinary half-ro...
- The gage shown here is one of the home-made variety, that will work outside the limitations of the average store kind. It is easily and cheaply made, and will prove one of the most useful tools in the...
- The writer was recently in need of a hollow tool handle with a three-jawed chuck that would take from 0 to 1/8, but was unable to find one, although there are many kinds of tool-holders on the market....
- The device shown in side and end elevation at A and B respectively, is made from any old piece of iron or steel, the latter being preferable, as it can be tempered after it is made. The writer is at p...
- A large hole may be formed in metal by sawing instead of drilling. The tool is made of a piece of clock spring, cutting out the part, with the shears, that is already coiled, to about the size needed....
- This little device if carefully made will enable one to accurately determine the centers of round bars, disks, and in fact any object of a circular form. A piece of 3/16-inch square brass rod about 8 ...
- In Fig. 120 the circle represents a section of a shaft, the center of which it is desired to find. The corner of a square is placed on any point of the circumference. The points A and B are the inters...
- This is a suggestion for the simplification of the babbitting of crankshaft boxes, which has been used a number of times with entire satisfaction. Drill two holes about 1/4 inch from the outside end o...
- A very handy metal pot for which no ladle is needed may be made by taking the outer part of a glue pot, and drilling a hole near the top, which is to be tapped to receive the threaded end of a piece o...
- Get a common iron or brass bolt about 1/4 of an inch in diameter and about 2 1/2 inches long, with as fine a thread as possible, and the thread cut to within a short distance of the head of the bolt. ...
- The chief fault with the ordinary dowel plate is the naturally obtuse cutting angle, formed by the edges of a hole bored in a flat steel plate. The dowel plate here illustrated presents to the wood an...
- How to turn a true wooden ball is apt to puzzle the amateur; but this, like most other mechanical methods, is very simple after you know how. True, all balls for which there is sufficient demand are...
- The object of soldering is to unite two portions of the same metal or of different metals by means of a more fusible metal or metallic alloy, applied when melted, and known by the name of solder. As t...
- The chloride of zinc solution used in soldering is prepared by cutting zinc in muriatic acid to repletion and diluting it with an equal quantity of water. For iron, a small quantity of sal-am-moniac m...
- The accompanying illustration shows a very simple heater for soldering irons, which can be made either stationary or portable. That is to say, it can be attached to the gas pipe in the shop, or it may...
- 1. Do not buy small and cheap soldering irons, as they are not made of copper, but worthless compositions. Get an ordinary iron weighing about 3 or 4 pounds. 2. The whole pointed end of the iron must...
- A gas soldering iron may be easily made as follows: A piece of 3/8-inch gas pipe A. 9 inches long, is threaded at both ends. A 1/8 by 3/8-inch reducer B is then screwed on each end of the pipe, and 1 ...
- The blowpipe shown in the accompanying illustration will be found a very useful adjunct to any mechanic's workshop. For tempering tools, heating soldering irons, brazing, and melting metals in a cruci...
- The metals, or metallic mixtures, which are employed for the purpose of joining other metals, with the aid of heat, are known by the general name of solders. Their number is considerable, as soldering...
- Solders are divided, according to their fusibility and special uses, as follows: 1. Soft Solder, or Tin Solder. - Subdivisions of this class are pure tin solder and the so-called bismuth solder. Sof...
- Soft solder, or tin solder, can be used to solder many different metals, gold, silver, lead, copper, and steel, as well as brass, wrought iron, and zinc. Its principal use, however, is in ordinary tin...
- For some purposes even the soft solders of tin and lead are too difficult of fusion, and in this case alloys of tin, lead, and bismuth are employed. This is a most excellent solder, but its use is lim...
- The correct process of preparing soft solders is very simple, but certain rules must be observed if solder of good quality is to be obtained. The standard of good quality is that any smallest piece o...
- Metal workers who are in the habit of preparing alloys for solders are likely to have occasion to use them for other purposes also. As before observed, these alloys, on account of their low fusing poi...
- In treating of soft solders, it was shown that the fusing point of these compositions varies considerably. The variations are still greater in the case of hard solders, whose composition is such that ...
- The solders thus classified, as their name implies, are used principally for soldering German silver. This alloy contains nickel and is very hard and white, and it requires solders which have correspo...
- Although many hard solders contain copper, and might therefore be classed with copper solders, we will here consider under that name only those whose essential constituent is copper. Copper is a metal...
- This is a very important kind of solder, used by many metal workers to solder brass, bronze, copper, iron, and steel. From its composition it may be considered a kind of bras-, to which are sometimes ...
- The solders which contain silver are very strong and tenacious, and are used not only to solder silver, but also for other metals, in cases where the objects to be soldered require great power of resi...
- Gold, both pure and variously alloyed, is used to a considerable extent in soldering, but on account of its expensiveness it is limited to articles made of gold or platinum, or the most delicate small...
- Since the discovery of aluminium and its production in considerable quantities, it has become a common material in the manufacture of various artistic objects. One of the greatest difficulties, howeve...
- There is no solder which operates with aluminium in the same way that ordinary solders operate with copper, tin, etc. There are two reasons for this. First. Aluminium does not alloy readily with sold...
- One is apt to think of the handy man as a pottering- amateur, who delights to dabble at all classes of work, but cannot do any single thing in a thorough, workmanlike manner. While there are such hand...
- In a certain factory where the writer was employed, a machine was being constructed which called for a 3-inch shaft cut with a spiral groove of very fiat pitch. It was impossible to cut this groove wi...
- The writer when a lad serving his apprenticeship cut on a lathe with a feed screw of 1/2-inch pitch a groove in a 1 1/2-inch shaft to a depth of 1/4 inch, which had one turn in 3 feet 6 inches. The m...
- The accompanying illustration, Fig. 141, shows how a cam groove was cut in a drum cam by means of an improvised milling attachment on a lathe. The problem was to duplicate a cam which had previously b...
- Many of the standard bench-lathe chucks on the market present the disadvantage of having a very short gripping surface. It is also difficult at times to release the work from the draw-in chuck without...
- A clamp lathe dog should be balanced by making the straight jaw much wider, which gives the desired weight for balancing the opposite jaw that enters the face plate of the lathe. One can readily see t...
- The mechanic using the slide rest dreads to work the swivel for tapered work after he has once set it on the graduation mark, because it is quite difficult to set it absolutely parallel. The slightest...
- Some time ago the writer took an order to polish and nickel-plate the cylinder covers of a British battleship. Each cylinder weighed 4,000 pounds and each was 6 feet 6 inches in diameter; and consider...
- A very simple device for holding dies and other work of similar shape while grinding on small emery wheels may be made as shown in the sketch. Between the top plate A and bottom plate B are two block...
- The accompanying drawing shows the way in which a die sinker may be equipped for cutting keyways in piston rods and valve stems and drift holes in drill and milling-machine sockets. Every machinist kn...
- The accompanying drawing suggests a method of converting an old lathe or speed lathe into a screw-slotting machine. Fig. 148 - Screw-slottiug attachment for lathes. The angle plate A is secured to...
- A practical and simple tool for accurate milling-machine work-is shown in Figs. 149 and 150. Fig. 149 - The micrometer attachment used for centering work under an end mill. Fig. 150 - Centering ...
- Some time ago we had a crankpin to true up on a double 20 x 40-inch Corliss engine that was worn so out of round that the engine pounded like a steam hammer. As there was no crankpin-turning device av...
- We had some cast-iron cylinder bushings to bore and turn for locomotives. As there were about twenty-five bushings in the lot to be machined, and we were in a big hurry to get the job out, we rigged u...
- The writer recently saw in a Buffalo factory, two improvised fans attached to a large milling machine. The operator of the machine fastened on each of two rapidly rotating shaft- a piece of tinned she...
- The handy man who has a gasoline engine in his shop and which exhausts outside into the atmosphere may silence that disturber of peace somewhat in the manner shown in the accompanying illustration. It...
- In lubricating the reciprocating: parts of vertical engines, there is considerable waste of oil, and the lamp wick dangling from the end of the oil pipe forms a collector of dust and grit, which is ca...
- Some time ago my boiler engine was frozen up in a cold snap, and I wished to give my boiler a hydraulic test before steaming up again, to see if it was fit for business. I had no force pump or apparat...
- The following method of bolting a patch on a boiler perhaps shows some originality. It was required to patch the bottom of a combustion chamber of a very old boiler, badly pitted on the water side. Ri...
- It is a rare occurrence for long castings to leave the molds perfectly true and level. When cooling off in the sand, they often buckle out of shape. It is necessary, as in the case of drainage cover c...
- The body of a pick is generally made of a low-grade steel, but the points are either of cast steel or high-grade tool steel. On account of the body being of a low grade, it is no unusual thing for an...
- To those who work in chemistry, whether as amateurs or professionals, there is no more useful piece of apparatus than a flask. Anyone who can procure old electric light globes can make all the flasks ...
- A small stopcock may be easily made out of two glass tubes and a rubber sleeve. The outside diameter of one tube is smaller than the inside diameter of the other. The end of the smaller tube is soften...
- How to start a siphon running is sometimes quite a problem. If the liquid that is to be siphoned off is harmless, the siphon tube may be filled by suction with the mouth at the end of the longer arm. ...
- A common method of getting salt from sea water is to place-the liquid in shallow vats, and expose it to the sun until the water is evaporated. Someone has suggested that the same processes of separati...
- In some work which is being carried on at various fixed temperatures, accurate and reliable gas regulation is required. The following regulator has proved entirely satisfactory: In Fig. 163 A is a U-...
- As is well known, a barometer is nothing more than a contrivance for measuring the weight of the air. A glass tube closed at one end and filled with mercury, then immersed in a bath of the mineral wit...
- The indications of a barometer being dependent on the relative movements of the mercurial column, the scales here described are intended to afford a simple means for the necessary comparative observat...
- Among the various instruments which have been devised for the measurement of temperature, the air thermometer has the distinction of being the first form of any value. It was invented probably by Gali...
- The velocity of the wind is usually measured by noting the rate of rotation of a small wheel driven by the wind. In the instrument described below, the pressure of the wind is used as a measure of its...
- The accompanying illustration, Fig. 173, shows how a good-sized gyroscope can be made out of an old bicycle. The turntable A is furnished with a ball-bearing mounting by attaching it to bicycle pedal....
- By elastic pendulum is here meant a weight so suspended that more or less of the suspension is in the form of a spiral spring, so that the weight is capable of two movements in one plane - the usual p...
- A tallow candle bullet can be fired through a board. A straw driven by a cyclone will penetrate a tree. A stream of water, under high pressure, will tear the skin off a man's hand. A copper disk rotat...
- The following experiment is easily performed even by those who have had little or no previous chemical training. It gives an idea of the infinite diversity of chemical and physical changes which one a...
- Carbon disulphide vapor is nearly twice as heavy as carbon dioxide gas. Some experiments, still more curious than those which are usually made to manifest the density of carbon dioxide, can be perform...
- The roses shown on the accompanying figure are white with a delicate and beautiful network of blue veins. Such roses can be obtained in little more than one hour by placing the following solution, ins...
- Early in the nineteenth century, chemists generally thought it impossible to make organic compounds out of the elements found in them. Synthesis they believed, to be practicable only in the case of mi...
- Zincite for use in wireless perrikon detectors can be made artificially as follows: Mix thoroughly 1 part of zinc sulphate with from 1/2 to 1 part of either potassium or sodium sulphate (Glauber's ...
- Ordinarily, the precipitate produced by mixing two chemicals in solution is formed more or less slowly. But in the following experiment we have a ease where two different speeds of reaction are shown....
- Owing to the fact that water in liquid form is nearly incompressible, it cannot be used to perform a cycle of operations such as take place in the steam engine. Theoretically, however, any substance h...
- In the foregoing article the heat motor described is made of metal. This can be improved upon and made much more attractive by constructing the apparatus of glass. The entire operation is then visible...
- There is a class of geometrical figures possessing peculiarities which possibly have not been investigated or published before. For the sake of a title, and owing to the relation these figures bear bo...
- The Scientific American has occasionally told its readers something of the seismograph, and of the mysterious tremors and pulsations of the earth's crust that it reveals. But probably very few have ev...
- Important Details Of Construction Exact dimensions are unimportant. The drum A is one foot in diameter. The following points, however, are of vital importance: 1. The wall from which the pendulum is...
- Two ordinary tin cans may be used to make a serviceable Leyden jar, which has the advantage of being unbreakable. Select two tin cans such that the diameter of the one exceeds that of the other by ab...
- The Wimshurst machine illustrated herewith (Fig. 196) was made very cheaply out of such materials as came to hand. The frame is of oak and the bosses of nine. The two glass disks are 12 inches in diam...
- There is no adjunct of the influence machine that affords a prettier or more striking experimental demonstration of electrostatic attractions and repulsions than an oscillating static motor. In view ...
- Among the multitude of attractive experimental possibilities suggested by high-tension electricity, there is no class of phenomena susceptible of more interesting treatment, or in whose development li...
- Every experimenter in electricity who has had to do with Geissler tubes has at one time or another marveled at the beauty and the mystery of the phenomena of stratification. In producing the stratifie...
- Of the many interesting effects obtainable with static electricity, one of the most pleasing and instructive is the ringing of a bell by alternate attraction and repulsion of a freely-moving insulated...
- A simple electric engine may be made as follows: Take an ordinary electric bell and remove the gong. The striker arm should be cut off about 3/4 inch from the armature leaving the butt G. A strip of b...
- Doubtless there are many persons who would like to make an induction coil for medical use, but are deterred from so doing by the belief that the work is too difficult for any one but a skilled mechani...
- As one of the diversions of an evening's entertainment for a company of young folk there is perhaps nothing that will contribute so much to the general enlivenment as some means of giving electric sho...
- A simple and inexpensive machine can be made as follows for winding No. 38 bare copper wire for making induction coils that give sparks up to 2 inches, without the use of a lathe: Make four pulleys of...
- An experimental storage battery, having qualities of interest, and at least remotely suggestive of commercial possibilities, may .be constructed at a cost of a few cents, as follows: Provide four str...
- The battery shown in Fig. 214 is contained in a vulcanite case, closed at the two ends by screw caps. The battery proper consists of alternate layers of zinc and carbon, with the alternate pairs of la...
- Often the experimenter is in need of a good dry battery of a certain size or shape for some particular work, where the ordinary standard sized cell is either too large or not of the right shape for th...
- The best possible manner by which to restore partially the strength of a dry battery is to proceed as follows: Bore several small holes with a 1/4-inch bit around the carbon of a battery, to within an...
- A small motor can be constructed by any one having ordinary skill in the use of tools, and having access to a screw-cutting lathe with a swing of nine inches or more, by following the instructions giv...
- Procure about ten pieces of stiff, hard wrapping paper, and two flat pieces of sheet brass not less than 1/8 inch thick, all of them being the same size as the steel plates. Lay the face-plate on the ...
- Drill the 37 holes for the slots with a No. 3 drill, which is 0.213 of an inch in diameter, and make sure that they are deep enough to pass clear through the second copper plate. After the holes are f...
- All parts of the motor have now been described, except the winding for the stator, which consists of four copper dampers and four coils of wire. The copper dampers are shown in detail in Fig. 221. E...
- It not infrequently occurs that where one has alternating current at no volts available, a lower voltage is required for some special purpose, as the operating of small lamps of low voltage, induction...
- It is well known that small storage batteries, such as are used for automobile ignition, are very easily charged by connecting them to a direct-current house-lighting circuit through a suitable resist...
- The accompanying illustration shows a very simple way of making an adjustable socket for tungsten lamps, in which the lamp will tend to hang perpendicularly of its own weight. A cage is first made con...
- A lamp rheostat is sometimes required for experimental purposes when receptacles for the lamps are not available. Where they are watched sufficiently to avoid any danger from fire, Edison base lamps m...
- Kxperimenters and learners of telegraphy often wish to use 'pen-circuit cells on short lines, but find that they are unable to call other stations without closing (keeping closed) their own key. But w...
- A great many so-called high-resistance telephones have recently appeared on the market for use with wireless detectors. Some of these have been found to be wound with German-silver wire. This gives ...
- The extension of telephone lines to rural districts is one of the real blessings modern science and business enterprise have bestowed upon the farmers. Most of these spurs and cross-country lines are ...
- One of the requisites of a good wireless telegraph detector of the crystal type, is that it be so constructed as to permit easy removal and substitution of different metals for the electrodes, as diff...
- Those who have attempted to make a wireless detector have doubtless been slightly dismayed when it came to deciding on a certain type. Of course, there are many amateurs who like to make several types...
- A practical magnetic detector may be made quite simply as follows: A suitable baseboard for the instrument is first selected from straight-grained pine, 18 inches long, 6 inches wide, and 7/8 inch th...
- A small direct-current motor, such as can be purchased for about a dollar, will operate in various ways as an alternating-current motor. These methods of operation are not recommended for regular use,...
- With comparatively little apparatus, it is possible, apparently, to set Ohm's law at naught by lighting an ordinary electric light having a considerable resistance, to full incandescence while on a he...
- The materials required for the construction of a selenium cell are as follows: Twelve feet of spring brass 1/2 inch wide, 1/16 inch thick, two small machine screws, two 3-inch bolts and nuts, a piece ...
- To make a music stand or book rest, such as shown in Fig. 254, out of one and the same piece of wood, without joining or the use of pins, seems almost impossible. Nevertheless, a novice, so far as the...
- The accompanying illustrations show how a simple crate used in shipping potatoes or onions, can be readily converted into a tabouret or flower stand. A crate such as shown in Fig. 258 can be secured ...
- The accompanying sketches show a simple and yet effective way to make a metal lamp shade. When the desired size, shape, and general style of the shade is selected, a diagram is made from which the bla...
- Visitors to Washington usually bring away with them a pretty little souvenir knick-knack made from the pulp of destroyed greenbacks. It is not generally known that such pulp can be made just as well f...
- A pretty table ornament in the shape of a small automatic fountain can be constructed of materials within the reach of every Handy Man. While the height of the jet is small, unless the apparatus is c...
- The accompanying illustration shows a hanger, for shirtwaists and other garments, located in the upper part of a clothes closet to utilize space that is usually wasted. The hanger is so placed that ga...
- One of the things that makes carpet laying difficult is the fact that in stretching the carpet one must drag his own weight along the floor. To overcome this difficulty the arrangement shown in Fig. 2...
- The strips of cloth for making rag carpet are usually formed into a long string or rope by stitching the ends together with cotton or thread, a process not only tedious, but taking no little time. To ...
- A cheap and efficient fireless cooker was made by the writer as follows: A box measuring 34 1/2 inches long, 12 inches wide, and 16 inches deep inside measure was bought from the grocer. After lining ...
- The so-called hay-stove or fireless cooker has now become so popular and its advantages so well known that it is hardly necessary to call attention to them. One serious drawback to its general use, ...
- Within the last few years there have appeared on the market several different makes of bottles designed to keep their contents hot or cold for a day or more, but their present high cost of from five t...
- While the mad race for supremacy between the mercury and price of ice is on much comfort can be taken in the fact that there are other methods of keeping victuals cool besides that of melting ice in a...
- A simple electrically heated coffee pot can be made as follows: Procure a round tin can of about two quarts capacity. This can should be about 5 inches in diameter and should be open at one end. The ...
- When broiling steak, chops or the like in a gas-range, the suet that is tried out from the fatty part invariably catches fire. As a rule the fat is overheated and burns fiercely, and many efforts to p...
- When by reason of rust, corrosion, or any other agency, the shell of the kitchen boiler is punctured, the problem of stopping the leak should not cause Handy Man any worry. A little device like that s...
- An overheated cast-iron steam boiler, with low water level, is very easily cracked when cold water is let in suddenly. The leak caused thereby will sometimes put out the fire and render the boiler use...
- A simple and quick method of lighting a fire without the use of paper, wood, or charcoal is of great convenience at times. This object can be obtained by the use of the arrangement illustrated herewit...
- People having homes equipped with a fireplace heater have probably found that after a few years' service their heater loses its efficiency as a heat producer. In the case of a heater having an iron fi...
- Most furnaces are nowadays arranged so that the drafts can be operated from the living rooms above, but still require the personal attention of some shivering member of the household, before dawn on c...
- The following process for the detection of added water or of skimmed milk in ordinary milk is more accurate than the simple use of the lactodensimeter without the creamometer check. Fig. 292 - Simp...
- If you own a corkscrew of the kind illustrated, you can easily remove the tightest cork without fear of soiling your clothes. After turning the screw well into the cork, place the lip of the bottle un...
- Perhaps some of your readers would be interested to know that I have found a simple, inexpensive way to waterproof matches. Into some melted paraffine (care being taken that it was as cool as possibl...
- When recently called upon to unscrew a jar cover that resisted all other efforts to loosen it, the writer bethought himself of the rope and lever pipe wrench. (Described on page 74.) A length of stron...
- Nearly every person, at some time or other, has wished he could stretch a shoe which at a particular point pinched the foot or irritated a corn. It is not necessary to go to a shoemaker to have the le...
- It is safe to state that not one per cent of persons using a hammock or handling a fish net know how to mend them should they get torn or damaged in any way. Whether the tear is a large or small one,...
- A very neat way to mend a piece of cracked glassware with sodium silicate or water-glass came to the writer's notice some weeks ago. A cut glass decanter which the owner valued very highly had a had c...
- A friend of mine who hates to see anything go to waste has found an excellent use for old tin cans. The rain pipes or leaders of his house are all home-made, and built up of tomato cans. He claims th...
- A simple ejector may be made out of ordinary pipe fittings, which will compare very favorably with some of the ejectors on the market. It may be used in draining a flooded cellar, in which case it may...
- The installation of a vacuum cleaning system in private houses entails at present a considerable expense, as it includes the purchase and maintenance of a gasoline engine and vacuum pump. If the latt...
- It is at times convenient to be able to use an outside faucet in winter as well as in warm weather. To do this change the location of the stopcock, which is always placed just inside the cellar wall, ...
- The hose reel illustrated herewith is arranged to have the hose always connected to the hydrant so that it may be reeled and unreeled to any extent desired, the surplus length of hose remaining on the...
- The accompanying illustrations show how a lawn sprinkler can be made, First take a one-half-inch street ell and drill a hole through it. Into this drive from the inside a large wire nail, and solder t...
- As the garden hose gets a little old, and begins to swell, it soon gets out of commission altogether if not attended to. A simple way to mend it is to wrap the hose with ordinary twine, which will mak...
- All gardeners and florists, and especially the amateurs, find that the common burned-clay flower pots are at once heavy and fragile, and that much room is required when they are to be stored away. As ...
- It is the purpose of this article to show how to build an automobile house which has the following advantages: It is portable, as all sections and other parts are held together with a minimum number o...
- Side Panels And Roof Panels Matched and beaded Georgia pine ceiling stuff, 7/16 inch by 2 1/2 inches by 14 feet. Lengths to cover 700 square feet; add 1/4 for matching...........875 square feet Sill...
- By following the directions here given, a horse-drawn buggy can he rebuilt at moderate cost into a self-propelled vehicle, which, though roughly made, will give good results and prove satisfactory. T...
- As the engine shown in the drawing is of the automatic intake typo, the intake valves will take care of themselves. Turn the engine over toward the front until the exhaust valve begins to open, as sho...
- When a storage battery is exhausted, no more current can be obtained from it until it has been recharged, which should be done at once. A dry battery, on the other hand, weakens gradually. If one gets...
- The spark plug shown here is equally well adapted for high or low tension ignition. It may be made by any handy workman from an old mica plug by taking out the steel wire down the center and putting i...
- Carbon is deposited in the combustion chambers of all automobile engines by imperfect combustion of the cylinder oil and gaso-line. Dust from the road, drawn into the engine, adheres to the oily surfa...
- The usual method employed in cleaning spark plugs is to use a small brush and gasoline and polish the end of the plug. As most plugs are constructed so that it is impossible to thoroughly clean the po...
- On light machines much time and expense can often be saved by using the following method for straightening a bent axle: Place the machine with the axle that is to be straightened directly under and pa...
- Taking up bearings is not properly a job for the amateur. Nevertheless, there are times when it is well to know the procedure. Crank-pin bearings are frequently fitted with shims A A of thin brass or ...
- A spring is most apt to break in the center, as in Fig. 329. The spring clips A A will probably hold it together after a fashion, but the ends will sag and put a dangerous strain on the clips. A hard-...
- A clutch leather may be cut from a wide piece of leather belting of uniform thickness, usually 1/4 inch. If the piece chosen is too thick, it will be impossible to release the clutch fully. Take off t...
- There is more to the care of the brake shoes than simply keeping them in proper adjustment. By degrees the materials of the friction surfaces wear away, and the toggle or other mechanism by which the ...
- An ingenious accident preventer is to be seen in the town of Wood bridge in Suffolk, England. Attached to the wall at the corner of a narrow thoroughfare leading into the Market Place is a large mirro...
- There are various roadside expedients possible when a nut has been lost and no duplicate is at hand. Usually as good a plan as any is to wind the threads of the bolt tightly with soft iron wire, such ...
- In constructing a small dirigible balloon, the first and most essential thing is to make a perfect envelope, which can only be had after careful labor. Cotton may be used, but silk makes by far the be...
- Many forms of glider have been tried, but the one which has so far given the most general satisfaction is known as the Chanute type. Either bamboo or spruce may be used for the framework, although ...
- The following description of a junior ice yacht is not taken from a published article, or a design suggesting how to make a good boat, but is a description of one which has been already made, and prov...
- The rudderless amphibious ice yacht called the scooter' is a product of the sailors of the Great South Bay, Long Island. In former years, when the bay would freeze over solid, the regular ice yacht ...
- On account of the severe strains to which the lugs on a masthead are subjected, they and the ring are usually made from one and the same piece of iron, instead of the former bein-welded on after the r...
- Small marine engines can be bought so reasonably now that many owners of small craft, skiffs, and canoes would install an engine were it not for the trouble and expense of putting on a skag and shaft ...
- A very convenient device which may be attached to the side of a house or any other support, to hold a bicycle, is shown in the accompanying drawing. It consists of a gate hinge with one leaf secured t...
- The accompanying sketch shows a handy device for mending punctures in bicycle tires. It consists of a common darning needle of a large size and with a large eye, with its point inserted into a wooden ...
- The accompanying drawing- and photograph illustrate a new type of coasting sled built on the bicycle principle. This coaster is simple and easy to make. It is constructed of a good quality of pine. Th...
- There are more ways than one of enjoying an icy hill. The accompanying illustrations show a pair of coasting skates. These skates can be well made by any amateur at little or no expense. The base 1 i...
- The accompanying illustrations show how an ordinary sled may be converted into a dirigible sled, and how it may be combined with a boy's hand car to make a motor sled. The Dirigible Sled Unlike the ...
- The country has recently been flooded with old model Springfield rifles. While these are very fine guns, they have too long a range for use in a thickly-populated region. As the writer could not use a...
- As it now has been proven beyond doubt that the flying machine is no longer a thing of the imagination, but has come to stay as a fixture for future Wrights, Bleriots and Curtisses to improve upon and...
- Among various toy monoplanes on the market is one with a divided main plane, designed to rise from the ground after running along on three wheels until it has gathered sufficient momentum. A rubber tu...
- One of the finest looking little aeroplanes that has as yet been offered by toy dealers is almost an exact duplicate in miniature of the Wright flying machine. It will fly from 20 to 40 feet, accord...
- One of the cheaper variety of toy aeroplanes is made to resemble the biplane, and is used as a kite. It has a very simple construction and will give good satisfaction in flight, if rising into the air...
- The model monoplane, illustrated herewith, was designed and built by Mr. Jas. K. Dalkranian, of Weehawken Heights, N. J. It is the most successful model of this type of machine that has been flown at ...
- Some ingenious Frenchman has conceived the idea of modernizing the game of Diabolo to the extent of using a toy aeroplane instead of the top or double cone. The scheme is illustrated in Fig. 370, wh...
- The Scientific American contains exactly the kind of information about the world's industrial progress which you want to obtain. The Scientific American is neither dry nor heavy but is filled with int...
- SCIENTIFIC AMERICAN OFFICE 361 BROADWAY, NEW YORK AMERICAN HOMES AND GARDENS THE HIGHEST TYPE OF MAGAZINE MAKING A MONTHLY DEVOTED TO THE HOME AND COUNTRY LIFE THIS publication appeals to every on...
- By A. RUSSELL BOND THIS book is a sequel to The Scientific American Boy, many thousand copies of which have been sold, and has proven very popular with the boys. The main object of the book is to i...
- By RALPH C. DAVISON Assistant Secretary Concrete Association of America 16mo. 196 Pages 140 Illustrations Price $1.50 postpaid lb work should appeal strongly to all those interested in ornamental co...
- 15.000 RECEIPTS 730 PAGES Price $5.00. Mailed to Any Part of the World Leather Bindings as follows: Sheep, $6.00 Half Morocco, $6.50 ONE of the most useful books ever published. Invaluable in th...
- By GEORGE M. HOPKINS Revised and Greatly Enlarged Two Octavo Volumes 1,000 Pages 900 Illustrations Cloth Bound, Postpaid, $5.00 Half Morocco, Postpaid, $7.00 Or Volumes Sold Separately: Cloth, $3....
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