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 395
Fessenden Coinbiued Sending and Receiving Apparatus.Fig. 36. Fessenden. An American system designed by lleginald A.Fessenden is shown in Fig. 36; it contains several novel features,as the use of a current-operated wave detector, invented by Prof.Fessenden and termed by him a barretter. The tuning… … Pessenden Tuned System.Fig. 37. coils or condensers. By means of sliding contacts on the wires,the open-circuit oscillator may be tuned to the closed-circuit systemso that ])oth have exactly the same period. By referring to the diagram the arrangement will becomeclear. In this drawing the…
Electrical engineering
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