The design and construction of a practical wireless telegraph station (1910)
Spurck, Robert Michael, Wheatlake, Burton Cyrenius Job · leaf 47
K Pig. 14 The key was made from a block of oak wood six inches longsix inches wide and three and a half inches thick. In the topof the block near the center was chiseled a hole one inch longthree quarters of an inch wide and two and a half inches deep. 20 … Pig 13 p - Tranoformer - Tesla Coil G - Spark Oap R - Sending Inductance A - Hot Wire Ammeter S - Key T - Detector K - Potentiometer W - Telephone Receiver K - Jigger I - Receiving Inductance V - Resistance 21 Over this was placed a hard rubber cover one quarter of an inchthick. One end of a piece…
Telegraph stations · Telegraph, Wireless · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
