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A dictionary of electrical engineering (1911)

Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 245

An illustration from A dictionary of electrical engineering, 1911, leaf 245 — m is alsotaken, in some cases, as being synonymouswith three-way switch (which see). Switch, Three-way, a switch which can be so movedas to make circuit throughany one or more of threeseparate contacts. See fig. Switch, Throw - over.See Switch, Double-throw; ^^^.^^^ ^^^^^also fig. under Switch,… … Three-polnt Switch

Electrical engineering

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