Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 497
ng thebell, taps the coherer and decoheres the filings, making themready for a.nother signal. For sending signals across a room )r from one room toanother only a small coil and wires bt a few feet high arerequired; but if the distance to be covered Is great verypowerful transmitters and very dt… … Lr Fig. 573.—Receiving apparatus for wirelesstelegraphy. PASSAGE OF ELECTRICITY THROUGH GASES 487 577. Passage of Electricity through Gases. In investigatingthis subject the gas is usually contained in a glass tube(Fig. 574) into the ends of jsa=^it which platinum wires are…
Physics
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