Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 253
cuit, the current enters itat the binding post, passes through the legs and the pivotinto the lever, and when the lever is depressed and thusa connection with the other binding post at b is established,the current leaves the key to pass into the line. Thus circuitmay be made or broken at will by… … ELECTRICAL ENGINEERING 251 the lower contact point and f-1 d mounted at the side ofelectrically connected with it. When it is desired totransmit a message, thecircuit is opened by press-ing the lever to one side 5and the key is manipulated 5at intervals necessary totransmit the signs of the Morse…
Electrical engineering
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