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 396
onnection withthe tuning grid wires 5; these can be adjusted by the sliding con-tacts G, i) finally leading to the earth at 11. The receiving devicescomprise a condenser 7 and a tuning grid 0 which connects withthe barretter 10 through a holder containing a number of them at17, an electromagnet… … Diagram of DeForest Wireless-Telegraph System.Fig. 38. of the current is read by means of a telephone receiver 12. Theapparatus is very compact as Fig. 37 shows, it is rapid in operationand accurate in its translations. American De Forest. Another system using the telephonereceiver as a means of…
Electrical engineering
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