Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 316
in Grays Absolute Measurements in Electricityand Magnetism. They have not, however, for reasons alluded to in§ 17, satisfied practical requirements. Sir W. Thomson has sinceinvented other instruments, alluded to at the end of Chapter XXV. The volt-vicfer galvanometer.—T\i& general principle of… … M is the magnetometer^ or system of needles. This consists of asystem of short needles, parallel to one another, disposed symmetri-cally about a common pivot. We can consider this system to beequivalent to one short needle, and shall often speak of it as theneedle. To this is rigidly fixed a long…
Electricity
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
