A text-book of physics : with sections on the application of physics to physiology and medicine (1902)
Lehfeldt, Robert Alfred, 1868-1927 · London : E. Arnold · leaf 231
P 1000 100 Q wo oqgbo woo 53 CDOIBS ! 4 … Fig. 77. key serves therefore for convenient make and break of the batterycurrent. The arms p and Q of the bridge are each constitutedby a set of three resistance coils of 10, 100, 1,000 ohms, providedwith short-circuiting plugs, as explained on p. 208. b is consti-tuted similarly, but by a set of…
Physics
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