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  2. To-day's Broadcasting

    {No abstract available}

    Detailed lists, results, guides : 107 words
  3. Advertising

    {No abstract available}

    Advertising : 724 words
  4. OUR WIRELESS CIRCLE

    Probably most radio enthusiasts have at one time or another been confronted with the difficulty of getting the aerial down-lead into a room without drilling ...

    Article : 252 words
  5. MORE SENSITIVE

    The condenser type of microphone is even more sensitive than the ordinary instrument, in which the effective resistance of a mass of granular or ...

    Article : 170 words
  6. NOVICE SUPER SHORT WAVE

    From time to time in these columns short wave receivers and adaptors have appeared, and throughout the series I have given coil winding data, believing ... [ILLUSTRATED]

    Article : 1,163 words
  7. Radioqueries

    J.S.(Brisbane) encloses a circuit diagram of his screen-grid peridyne, and asks for instructions as to the best way to connect as short-wave adapter in ...

    Article : 975 words
  8. POSITION OF THE SPEAKER

    To get the best results from a loud speaker, it should be shifted about the room, and even the entire home. Furthermore, the volume should be ...

    Article : 103 words
  9. CRYSTAL SET HINT

    One or two of the makers of commercial sets employ the sliding contact on a plain solenoid type of coil for tuning purposes. One side of the coil has ...

    Article : 114 words
  10. Advertising

    {No abstract available}

    Advertising : 359 words
  11. WINDING A FRAME

    When constructing an ordinary tuning coil or high-frequency transformer one employs wire of such a gauge that the best results will be obtained. ...

    Article : 180 words
  12. POPULAR SCIENCE

    What is believed to be the smallest working scale railway in the world has been constructed by Mr. J. Langridge, of the Wimbledon and District Model ...

    Article : 123 words
  13. SMOKERS BANNED

    Science and smoking often go together but not always. One scientist has recently revealed that tobacco is fatal to certain kinds of research work. For ...

    Article : 150 words
  14. NITROGEN FROM THE AIR.

    Great strides are being made at Billingham (England) in the process of obtaining nitrogen from the air. The nitrogen is fixed in the form of ...

    Article : 268 words
  15. Advertising

    {No abstract available}

    Advertising : 211 words
  16. MUD PREVENTS EXPLOSIONS.

    When it was recognised that mine explosions owed their violepce and wide extent largely to the presence of coal dust, successful attempts were ...

    Article : 283 words
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