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  2. POPULAR SCIENCE

    The human nervous system is really a living telegraph line made up of [?]trical condensers. thinks Dr. W. R. Whitney of the General Electrie ...

    Article : 89 words
  3. OUR WIRELESS CIRCLE

    A crystal detector of galena requires a light, tine contact silicon a heavy contact; and some crystals, such as carborundum, require a battery for best ...

    Article : 904 words
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    {No abstract available}

    Advertising : 1,285 words
  5. THE DOG WORLD

    [?] the annual meeting of tanefers, under the [?]pices of the Queensland [?] Board of Control, held at the [?] National Association rooms, the ...

    Article : 872 words
  6. REJECTOR CIRCUITS

    While experimenting with rejector circuits with the object of eliminating the local broadcasting station whilst listening in to a more distant station, it was ... [ILLUSTRATED]

    Article : 229 words
  7. OSCILLATION

    F. G. (Brisbane) writes:--"I have recently made a two-valve set, but regret to say I cannot tell when I am oscillating. Could you please give me some hints on ...

    Article : 557 words
  8. LARGEST ARTIFICIAL LAKE.

    What will be the largest artificial lake in the world is being built in a remote section of Alabama to assure a constant flew of water for driving three ...

    Article : 131 words
  9. RELATIVITY STILL [?]

    In spite of all attacks, the theory of relativity is still on a firm foundation, according to Dr. Charles E. St. John of the Mount Wilson Observatory All ...

    Article : 157 words
  10. TRANS-ATLANTIC PHONE

    Success of experiments in transoceanic radiotelephony has led to the prediction by engineers that commercial trans Atlantic radiophone conversation will be a ...

    Article : 168 words
  11. INSULIN AIDS GROWTH.

    According to the results 'of observations made by Boston specialists, children suffering from diabetes gain in weight, if they are treated with insulin ...

    Article : 59 words
  12. INSULATING HINT

    When constructing a wireless set the amateur should be exceedingly careful to ses that all wires and other conductors are insulated, one from the ...

    Article : 207 words
  13. Advertising

    {No abstract available}

    Advertising : 173 words
  14. FIRST-BORN NOT MOST BRILLIANT.

    Whether you are a first child or a fifteenth does not affect, your chances of greatness according to Dr. Wilhclmine E. Key, who recently reported to the ...

    Article : 160 words
  15. HUMIDITY TESTS.

    That the human body, in a stats of rest and in still air, cannot endure indefinitely a temperature higher than 90 degrees Fahrenheit with 100 per cent ...

    Article : 215 words
  16. Advertising

    {No abstract available}

    Advertising : 403 words
  17. SOLDERING WIRES

    If you have to make a soldered joint between two wires, do not scrape off the skin of tinning that covers them, for its presence will make the job much ...

    Article : 210 words
  18. RADICQUERIES

    "Novice" asks several questions on elementary but important matters. They are answered below. What is a kilowatt!--One thousand ...

    Article : 203 words
  19. ATOMS AND ETHERIONS.

    Knowing the atom is like knowing your own automobile. You know its main features and its functions, but you can learn something new about it ...

    Article : 423 words
  20. FOILED AGAIN.

    "Now, look here, sir; this has gone [?] long enough," said the irate tailor, I demand o cheque at once!" [?] "Sorry, old man," said the author ...

    Article : 44 words
  21. Advertising

    {No abstract available}

    Advertising : 102 words
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