. An elementary manual of radiotelegraphy and radiotelephony for students and operators . {By permission of the Amalgamated Eadiotelegraphic Co., Ltd. Fig. 11.—Poulsen Arc Apparatus. J^ADIG STA TIOXS 2?I The arran^oiiKMits for trlci^raiiliic re(e])ti(jn einiiloycd by Mar-coni in tlu! early clays of uircless lelej^rajjliy were as iolhjws:— The antenna, A, is eonnectetl to earth tlirt)U<^li the jjriniarycoil, 71, of nn oscillation transformer, and a tuning coil is insertedin between the earth plate and this j^riniary coil. The secondary^^^^y ji, of the oscillaiion transfornier is
. An elementary manual of radiotelegraphy and radiotelephony for students and operators . {By permission of the Amalgamated Eadiotelegraphic Co., Ltd. Fig. 11.—Poulsen Arc Apparatus. J^ADIG STA TIOXS 2?I The arran^oiiKMits for trlci^raiiliic re(e])ti(jn einiiloycd by Mar-coni in tlu! early clays of uircless lelej^rajjliy were as iolhjws:— The antenna, A, is eonnectetl to earth tlirt)U<^li the jjriniarycoil, 71, of nn oscillation transformer, and a tuning coil is insertedin between the earth plate and this j^riniary coil. The secondary^^^^y ji, of the oscillaiion transfornier is cut in the middle and. J* k^.\0i M I r
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttelegra, bookyear1916
