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  2. NEW IDEAS IN SCIENCE AND INVENTION.

    A SHOP doing general machine work often has occasion to turn out one or two bearings or pillow blocks, to take shafts of ¾in diameter or ... [ILLUSTRATED]

    Article : 115 words
  3. SLING AIDS IN UNLOADING HAY.

    GETTING bay into the barn without slings is pretty slow work; if the farm is not equipped with them, they can be easily and cheaply made, the time and labor saved more ... [ILLUSTRATED]

    Article : 119 words
  4. STOPPING LEAKS IN WOODEN TANKS.

    IT is often dificult to drain wooden tanks to repair leaks. One method of stopping a leak is to put some oatmeal in a paper bag. then tie this on a stick and push it down against ...

    Article : 63 words
  5. LEAD PIGMENTS.

    AS ammonia and sulphur fumes abound in stabler, the paints used on such buildings should be those that contain no lead pigments. For white paint use zinc white. Any pigment ...

    Article : 54 words
  6. RULING PAPER BY HAND.

    A FILING card, or other form, may be ruled at a single stroke by using the simple holder shown in the illustration. Two pieces of wood are ... [ILLUSTRATED]

    Article : 137 words
  7. WATERPROOFING TENTS.

    TAKE ½lb. sugar of lead (poison), and 1½lb. powdered alum, dissolve them inabucket of rain water, and pour off into another vessel steep the tent material in this, allowing it ...

    Article : 71 words
  8. SAVING WORN MACHINERY BY NICKEL.

    THE high cost of iron and steel has stimulated engineers to develop efficient means of restoring parts which have become no worn that they are fit only for the scrap heap. ...

    Article : 310 words
  9. FROSTING GLASS.

    To frost glass, rub it with a p iece of marble, using emery powder as the abrading agent. Coarse powder should be used first, following with finer as the surface becomes finished. ...

    Article : 90 words
  10. PETROL SUBSTITUTE.

    THE new motor fuel called "penrol," with which experiments have been made in the Transvaal, is described as being chiefly a mixture of alcohol, dissolved acetylene, and other ...

    Article : 88 words
  11. EASY WAY OF STARTING OIL ENGINES.

    TO every user of engines driven by crude oil. the process of starting is a nightmare. The blow lamp, by means of which the fuel spray is usually given its initial heat, is ...

    Article : 243 words
  12. CHIP PIT FOR LATHES.

    WHEN a new cement floor is laid in the small workshop, a chip pit underneath the lathe will not only keep the floor clean of turnings, but the ... [ILLUSTRATED]

    Article : 137 words
  13. A PLANT FORCER.

    IN order to force the growth of seedling vegetable plants, some means of retaining the sun's heat must he used, and for this purpose the device ... [ILLUSTRATED]

    Article : 127 words
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