Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 289
suffices as asimple receiver and good results have been obtained by its use at several ship and shorestations. A favored form of circuit interrupter for the reception of undamped oscillations is thesliding wire or slipping contact detector, shown in Fig. 290. In the diagram a small brasswheel, W,… … Fig. 290—The Slipping Contact Detector for Reception of Undamped Oscillations. cuit is completedthrough the brush, B-1,in contact with the wheelW. When the wheel isin rotation, there is aconstant slipping andgripping of the brush Bon the wheel whichmakes a contact of vari-able resistance,…
Telegraph, Wireless
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