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  2. SCIENCE-INVENTION-IDEAS

    Small soldering jobs on gas tanks, pails, kitchen utensils, and similar smooth- surfaced articles can be ... [ILLUSTRATED]

    Article : 76 words
  3. Locating Leaks In Electric Refrigerators

    Leaks in electric refrigerators that use ammonia gas can be located with sulphur. Roll powdered sulphur in a piece of paper similar to a cigarette, ...

    Article : 79 words
  4. Hose Has Built-in Sprinklers

    Lawn hose with built-in sprinklers to facilitate the watering of lawn or garden is now on the market. Small sprinkling units, ... [ILLUSTRATED]

    Article : 84 words
  5. Flashlight Aids Work With Screwdriver

    By building a flashlight into the handle of a screwdriver a tool has been produced which enables the mechanic to use both hands effectively when ... [ILLUSTRATED]

    Article : 72 words
  6. Silhouettes Painted From Shadows

    By substituting a large wooden frame for a drawing board or easel and stretching paper, parchment, or cloth over the frame to catch the shadow of ...

    Article : 118 words
  7. Two Miles a Second

    Delivering the Thomas Hawksley Memorial lecture at the Institution of Mechanical Engineers in London, Lord Rutherford, the famous scientist, ...

    Article : 104 words
  8. Strengthening Small Drill Bits

    When drilling small holes in metal, a wooden sleeve placed over the bit as shown will keep it from bending and breaking under ... [ILLUSTRATED]

    Article : 77 words
  9. Chain Braces For Chair Legs

    Chairs or beds that wabble because glue or screws give way can be quickly repaired by the use of a chain brace the pull of which ... [ILLUSTRATED]

    Article : 83 words
  10. Cold-Storage Photo Plates

    Like eggs and sausages, photographic plates are being kept in refrigerators to preserve their quality and uniformity. Tests have shown that this treatment ...

    Article : 86 words
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