Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 202
raised by means of a kite. The trans-mitter is of the inductively coupled type, consisting of an inductioncoil, two one-half gallon Leyden jars, the oscillation transformer,and the necessary auxiliary apparatus, such as secondary batteries,an interrupter, etc. This portion of the equipment is made… … Fis. 05. Stone Sending and Receiving Circuits the variations of resistance of the imperfect contact between two con-ducting plugs of steel v.ith a small quantity of carbon granules inter-posed between them. A head telephone receiver and one dry-battery cell are shunted around the auto-coherer. The…
Electrical engineering
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