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  2. Advertising

    {No abstract available}

    Advertising : 214 words
  3. "SOUND" SUGGESTIONS RADIO

    Selectivity has been given as the keynote of the new variable mu valve, and two remarkable new models are to be released in a few days by J.C.A. ...

    Article : 280 words
  4. THE FATHERS OF RADIO.

    The third article dealing with the men who have unravelled the mystic web of radio is written around the discovery of the lectron by Sir J. J. ... [ILLUSTRATED]

    Article : 313 words
  5. Wrong Ideas Exploded.

    Daring the past week a friend voiced an opinion, which apparently is widely spread, unfavorably directed against the new "Variable Mu" valve. ...

    Article : 494 words
  6. SELECTIVITY AND THE AERIAL.

    The length of the aerial has always been a deciding factor in the question of providing selectivity in a radio set. By selectivity is meant the ...

    Article : 174 words
  7. Advertising

    {No abstract available}

    Advertising : 154 words
  8. A RECEIVER FOR THE COUNTRY.

    Away back in 1928 owners of National radio sets were claiming distant reception, including Japanese and New Zealand stations, on their three-valve ...

    Article : 113 words
  9. RADIO'S LATEST. ADVANCE.

    After a lengthy period of quiescence. radio engineers have made discoveries in valve principles which may reasonably be regarded as the greatest ...

    Article : 129 words
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