The Standard Electrical Dictionary

The Standard Electrical Dictionary
A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering

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5
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The Standard Electrical Dictionary by T. O'Conor Sloane

Published:

1892

Pages:

969

Downloads:

9,374

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The Standard Electrical Dictionary
A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering

By

5
(1 Review)

Book Excerpt

lectric unit is the volt-ampere, often called the watt. (Sec Energy, Electric.)

Adapter. A screw coupling to engage with a different sized screw on each end; one of the uses is to connect incandescent lamps to gas-fixtures.

A. D. C. Abbreviation for Anodic Duration Contraction, q. v.; a term in electro-therapeutics.

Adherence, Electro-magnetic. The adherence between surfaces of iron due to elcctro-magnetic attraction. It has been applied to the driving-wheels of an engine and rail, whose grip is increased by such action. In one method a deep groove was cut around the wheel which was wound with a magnetizing coil. Thus one rim becomes a north and the other a south pole, and the rail completing the circuit acts as the armature. Such an arrangement prevents a wheel from sliding. Electro-magnetic adherence has also been employed to drive friction gear wheels. In one arrangement the two wheels are surrounded by a magnetizing coil, under whose induction each attracts the other, developing high