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  2. SCIENCE INVENTION IDEAS

    THE Patents Office of the United States has issued to Louis Nagy cover for a design of a sanitary sugar bowl for counter or table use to automatically deliver an ... [ILLUSTRATED]

    Article : 149 words
  3. Brightening Up Figures on Tools

    WHEN figures on a carpenter's steel square or other tools having indented lines and figures become dull and hard to read, they ... [ILLUSTRATED]

    Article : 65 words
  4. Grand Slam in Illumination

    IF you've ever played bridge at night and not had sufficient light from the lamp, you'll appreciate these twin lamps. Or if you've been in the shadow of the light ... [ILLUSTRATED]

    Article : 88 words
  5. Glider Takes Off from Land and Water

    THE average primary glider is not noted for its long flights, so one can well wonder what the purpose of an amphibian glider of the primary type might be. By ...

    Article : 116 words
  6. Invented by a Convict

    EXPERTS say that the aeroplane propeller which John King, a convict in the State penitentiary at Joliet, I1L (U.S.A.) has invented, is of revolutionary design. King has ... [ILLUSTRATED]

    Article : 180 words
  7. Improving the Short-Wave Set

    SOME short-wave sets are not as sensitive as they might be, and in addition tuning is not easily accomplished. Here is an idea I used on my set (says B. Robbins), and ...

    Article : 64 words
  8. Invisible Light Detects Counterfeits

    PRODUCTS put under the ultra-violet ray lamp from which the visible rays have been filtered by a specially-prepared glass, will reveal any spurious elements they ...

    Article : 92 words
  9. To Keep Eggs Without Ice

    FOR camping, yachting, etc., a good method of keeping eggs is as follows:—Put perfectly fresh eggs, a dozen or more at a time, into a wire basket, and immerse them in ...

    Article : 112 words
  10. For Ice Cream Sodas

    EVERYONE has experienced the discomfort of broken and split straws ... [ILLUSTRATED]

    Article : 51 words
  11. Easily Made Staple Holder

    HELD in a metal handle, a slotted piece of heavy rubber has been found handy as a staple holder, preventing frequent inJury to the fingers. ... [ILLUSTRATED]

    Article : 66 words
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