A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 125
, are providedfor measuring the magnetic azimuth of any ob-ject. Compass, Boxing the ■ —Naming, consecutively, all the different points orrhumbs of the compass from any one of them.(See Compass, Points of.) Compass-Card.—(See Card, Compass) Compass, Inclination -A magnetic needle moving freely in a… … Fig. 162 Inclination Compass. edges so as to be free to move only in the verticalplane of the graduated vertical circle C C. Thiscircle is movable over the horizontal graduatedcircle H II. In order to determine the true angleof dip, the vertical plane in which the needle isfree to move must be…
Electricity · Electrical engineering
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