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  2. NEW IDEAS in Science and Invention Ride With a Punctured Tyre on Extension Ring.

    To prevent damage and loss of time due to punctures, an English inventor has devised ... [ILLUSTRATED]

    Article : 85 words
  3. Industry Now Uses Garnet.

    Garnet, the red stone formerly so popular as a jewel, is to-day a valuable aid in several industries. For rough grinding, garnet paper somewhat resembling sandpaper is ...

    Article : 85 words
  4. Electric Vapor Inhaler Aids Treatment of Colds.

    To supply hot, medicated vapor for the relief of colds and various nose and throat ailments, an electric unit has been devised. ... [ILLUSTRATED]

    Article : 124 words
  5. Suit Holder for Travellers Keeps Garments Pressed.

    For travelling and for delivering suits of clothes from stores or the tailor's, a special rack that holds the garments tightly, so that they cannot wrinkle or become ... [ILLUSTRATED]

    Article : 80 words
  6. Eye-rest Green Aids Surgery.

    Color as an aid to surgery has been given additional recognition as the result of research work by an Eastern physician, who his found that a shade of bluish-green for ...

    Article : 121 words
  7. Rapid Camera Shows That Electric Flashes are Spiral.

    To the eye, a flash of lightning appears as a jagged, sharp-angled line, but photographs made by a special camera, taking pictures of an experimental flash at the rate ...

    Article : 149 words
  8. Gyroscope for Giant Yacht.

    Called the world's largest motor yacht, a 294-foot vessel now being built at Wilmington, Delaware, will have a huge gyroscope—a monster replica of a child's balancing top ...

    Article : 62 words
  9. Salt Helps Endure Heat.

    Mine workers endure the heat in the shafts more easily when salt is added to their drinking water, it has been found. Excessive perspiration causes a loss of salt ...

    Article : 50 words
  10. Bottle Makes Battery Filler.

    An ordinary bottle, with two glass tubes extending through the stopper, makes a bandy device for adding distilled ... [ILLUSTRATED]

    Article : 106 words
  11. Air Chamber in Surf-board Makes it Unsinkable.

    A surf-board that cannot be sunk, because its upper and lower decks enclose an air chamber, offers new thrills for swimmers. As the boat will support 150 pounds when ...

    Article : 98 words
  12. Adding Pencil is Accurate and Saves Time.

    Double service is afforded from a reft liable pencil that has an adding device ... [ILLUSTRATED]

    Article : 50 words
  13. Tobacco Chemically Made.

    Synthetic tobacco is the latest "substitute" produced in Germany. Thin sheets of prepared paper are impregnated with chemically made nicotine. Dyed and perfumed to ...

    Article : 39 words
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