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    • Control of the Grid System in Great Britain - Nature

      Nature· 2 days ago

      The whole of Great Britain with the exception of northern Scotland is now divided into nine schemes. For short distances, continuous metallic circuits are provided, but for longer distances ...

    • Radio Communication Conference at Lisbon - Nature

      Nature· 2 days ago

      THE third meeting of the Comite Consultatif International des Radiocommunications (C.C.I.R.) opened at Lisbon on September 22, and will extend over a period of about two weeks. This committee ...

    • Air Raid Precautions - Nature

      Nature· 2 days ago

      IN his speech on the motion for the third reading of the Air Raid Precautions Bill in the House of Commons on December 7, Sir Samuel Hoare emphasized that air raid precautions, on however great ...

    • Suppression of Radio Interference - Nature

      Nature· 2 days ago

      A DESCRIPTION is given in the of December 27 of experiments on the suppression of radio interference produced by trolley buses, carried out by Post Office engineers in several towns. At Southend ...

    • Captain B. S. Cohen, O.B.E - Nature

      Nature· 2 days ago

      CAPTAIN BERTRAM S. COHEN, who retired from the post of staff engineer in charge of the Post Office Research Station at Dollis Hill, London ...

    • Ultra-Short Wave Radio Links for Telephony - Nature

      Nature· 2 days ago

      IT is now well known that electric waves having a wave-length of less than about 8 metres are of little use for long-distance radio communication, owing to X the apparent inability of the ionosphere ...

    • Electricity at the Crystal Palace - Nature

      Nature· 2 days ago

      Thanks to the antiquarian zeal of Mr. W. H. Preece, F.R.S., and his active interest in all that pertains to the history of his profession, the Post < ...

    • Swiss Postal Railway - Nature

      Nature· 2 days ago

      Co. that an underground railway has recently been built in Zurich for the conveyance of letters and express packets between the branch post office at the main railway station and the Sihl post ...