The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 518
n Fig.319. M \s a base plate of brass. A is a brass lever, mounted on anarbor G carried between-adjustable set screws D. C is the anvilwhere contact is made by depressing the key by the finger piece Bof ebonite. E, F1 are adjusting screws for regulating the vertical STANDARD ELECTRICAL DICTIONARY.… … Fig. 319. Morse Telegraph Key. In the United States the simplest disposition of apparatus isgenerally used. The main line is kept on closed circuit. In it maybe included a large number of relays at stations all along the line,each with its own local circuit. There may be fifty of such…
Electricity
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