Wireless Telegraphy and Telephony

Forfatter: Alfred P. Morgan

År: 1917

Forlag: The Norman W. Henley Publishing Company

Sted: New York

Udgave: Third Edition, Fully Illustrated

Sider: 33

UDK: 621.396.1 Mor

A practical Treatise on Wireless Telegraphy and Telephony, giving Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and its Present Day Applications, together with a chapter on the possibilities of its Future Development

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WIRELESS TELEGRAPHY 41 by adding the proper number of units. The capacity of a condenser is its relative ability to receive and retain an electrical charge. Fig. 48.—Helix. The helix is an instrument consisting- of copper or brass wire wound around a frame of hard rubber or sea- Fig. 49.—Close coupled helix. soned wood. A certain amount of inductance is necessary in a wireless telegraph circuit in order to develop high