The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 229
a horizontal and transversestretched platinum wire, acting as a torsional spring. The positionof the end k of the balance beam shows when the disc / is in theplane of the guard ring h h. The end k is forked horizontally anda horizontal sighting wire or hair is fastened across the opening of 224… … Fig. 154. Portable Electrometer. The general construction is seen in Fig. 154. There the fixed discD is carried by insulating stem g^. The charging electrode is sup-ported by an insulating stem g^, and without contact with the boxpasses out of its cover through a guard tube E, with cover,…
Electricity
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