Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 380
that of Lord Kelvin. One of these is shewn in Figs. 232 (a) and (&) of whichFig. 232 (a) gives the connexions and indicates the path of thecurrent while 232 (6) is a drawing of the complete instrument.Two moveable coils are attached, one to each end of a balancebeam ; both beneath and above… … Fig. 232 a. A moveable weight can slide on a graduated horizontalarm attached to the beam, and a pointer at the end of thisarm shews when the beam is in its horizontal position.
Electricity · Magnetism
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