Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 232
ations into the construction of attracted-discelectrometers, the chiefof these being the employmentof the guard-plate and the providing of means forworking v/ith a definite standard of potential. It wouldbe beyond the scope of these lessons to give a completedescription^ of all the various forms of… … Fig. lOQ. surrounds it without touching it, and which is placedin metallic contact with it by a fine wire. A lever, L,supports the disc, and is furnished with a counterpoise;whilst the aluminium wire which serves as a fulcrum maybe also employed to produce a torsion force. In orderto know whether…
Electricity · Magnetism
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