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 226
interlock. Thus twTo magnets,A A and B B, may be placed with theirarmatures, M and Ny at right angles andboth normally pulled away from the poles.When the armature M is attracted a catchon its end is retained by a hole in the „.end of the other armature N, and when** *$.^7™™*°the latter armature N…
Electricity
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