Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 400
o the Branly-Popp system in virtue of the fact that Prof. Branly is the originalinventor of the coherer. The chief feature of the newly-designedapparatus is a tripod coherer and the elimination of the regulation S68 34 WIRELESS TELEGRAPHY tapping device. Fig. 41 is a diagram of the connections and… … Diagram Branly-Popp System.Fig. 41. slightly oxidized. The legs are fastened to a metal disc at the top,the points resting on a polished steel plate. In the photograph itwill be observed that the coherer is placed immediately back of the
Electrical engineering
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