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  2. SCEIENCE INVENTION IDEAS

    SOON to be placed on the market, according to advance reports, is a novel apparatus that will make the air in sleeping and living rooms less humid during ... [ILLUSTRATED]

    Article : 73 words
  3. Sawdust for Flooring

    SAWDUST mixed with cement was used recently at the Oregon State Agricultural College as flooring material. Floors made of this mixture were, when a little ...

    Article : 41 words
  4. Ammonia as a Fire Extinguisher

    AMMONIA pistols have been found quite effective, under certain conditions, for extinguishing small gasoline fires. As the fumes are heavier than air they quickly ...

    Article : 120 words
  5. Advertising

    {No abstract available}

    Advertising : 291 words
  6. Index on 'Phone

    AN English firm has produced this telephone index that fits around the mouthpiece of the instrument. Each lettter of the alphabet is seen on a curved ... [ILLUSTRATED]

    Article : 41 words
  7. Test Aeroplane Engines on Mountain Top

    HIGH altitude tests for aeroplane engines made while they remain on the ground is the novel idea of an Italian firm of aeroplane engine builders. In ...

    Article : 138 words
  8. Fruit Jar Holds Flashlight

    THOSE who work under their car occasionally with a flashlight for illumination will find the use of an ordinary fruit jar quite an aid for holding the flashlight ... [ILLUSTRATED]

    Article : 74 words
  9. Easily Cleaned Mixing Bowl for Cements

    ANYONE who has occasion to prepare small quantities of quick, hard-setting mixtures, such as litharge and glycerine, plaster of Paris, plain water putty, and ...

    Article : 98 words
  10. Electric Eye Counts Loaves of Bread

    ONE large London bakery has applied the electric eye, or photo-electric cell, to the counting of loaves of bread as they come from the ovens on a conveyor band. ...

    Article : 68 words
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