The design and construction of a practical wireless telegraph station (1910)
Spurck, Robert Michael, Wheatlake, Burton Cyrenius Job · leaf 21
z amodified form of the Branly coherer was used, one end of whichwas earthed the other being connetced to a kite similar to theone used at the sending station. The coherer (See Figure 5)consisted of a glass tube one and one half inches longand one fourth inch inside diameter in which were placed… … Pig. 5 8 The whole tube was exhausted and connectiona sealed in. By bevel-log the inner facea of the plu^B it was possible to regulate thesensitiveness by rotating the instrument around on its horizon-tal axis. This instrument was many timeff more sensitive than thelarger instrument made previously…
Telegraph stations · Telegraph, Wireless · Theses
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