Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 815
, is avoided by a compensating magnetplaced east or west from the needle and parallel to the meridian.This magnet—which is shown in fig. 502—can be turned on ahorizontal axis passing through its centre and through that ofthe needle; it is entirely inactive if vertical, whereas it acts 79:1:… … The vertical scale showing the position of the coil has, in ad-dition to the usual degrees, a number of divisions engraved uponit which correspond to natural secants. DEPREZ AMMETER. As a representative type of the industrial instruments to whichwe have referred, the Deprez ammeter will serve as an…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
