Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 832
r marked onthe magnet. A pair of flexible adynamic leads are supplied withthe instrument. When in use the plane of the coil is placed inthe magnetic meridian so that the index points to zero on thescale. The directing magnet is then placed in position and theadjusting screw turned until the index… … Fig. 514. the needle under the influence of the earths force alone, a fur-ther sensibility of fifty times greater can be obtained. Anycurrent whose intensity is less than 100 amperes may be safelymeasured by this instrument. THOMSON S POTENTIAL GALVANOMETER. This instrument, shown in fig. 614,…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-302-180.webp)
