Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 280
The gals^anometer and rheostat are nometer is placed across points contained in this ease. 3 and 4, as in Fig. 230. The lozenge principle of Fig. 234 is further shown in detail in Fig. 235. In using this type of bridge particular care must be ob- -^ served to have the plugs tight, by giving them… … 3 /CO JO 1 3C3
Electricity · Magnetism
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