Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 173
h the annulus or guard ring surrounding it.This position is often called the fiducial position. *98. The Absolute Electrometer. — Sir WilliamThomson divides his electrometers into two classes, Idiostatic,in which the electrification to be measured is the only oneemployed, and Heterostatic, in which… … Fig. 101. by three metal wires from one end of a long metallic lever, andcounterpoised by a weight (B) at the other end. The fulcrumconsists of a wire stretched between two metal supports ((7(7),to which a certain amount of torsion is given, so as to keep Chap, v.] Absohtte Measure of Electricity,…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
