Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 126
tacts.A, B are mounted on the arma-ture and stationary posts which maybreak 50 or 60 amperes without arcing.Another type has a solenoid windingwith a plunger extending into a box ofoil. The contacts make and break thecircuit under oil, reducing arcing to aminimum. In certain high power stations… … 110 VOLT D.C. PART VIII. AERIALS OR ANTENNAE 112. Function of the Aerial. 113. Determination of theWave Length From the Dimensions of an Aerial.114. Fundamental Considerations. 115. Various Types ofAerials. 116. Directional Aerials. 117. Standard Mar-coni Aerial. 118. The Deck Insulator. 119.…
Telegraph, Wireless
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
