The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 134
feed issecured. A similar clutch is used in the Weston lamp. Clutch, Electro=magnetic. A clutch or appliance for connect-ing a shaft to a source of rotary motion while the latter is in action. STANDARD EIvBCTRICAIy DICTIONARY. 129 In one form a disc, in whose face a groove has been formed,… … Clutch of Brush Lamp. wheel to partake of the motion of the shaft. Contact is made bybrushes and collecting rings. In the cut, A A \s the attracted disc ; the brushes, B B, take cur-rent to the collecting rings, C. The magnetizing coil is embeddedin the body of the pulley, as shown.
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