Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 531
soldered, carefully, a No. i8 B. and S. copper wirethoroughly insulated, and the joint covered carefully withshellac and copal. These are led out to the small mercurycommutator for the galvanometer circuit arranged like theother so that the galvanometer can be isolated from shuntand main circuit.… … J 1... ^ ■4 ; 1 1 t 1 I, 1 » 4 1 1 -«) tJ% \n/ I ■%> I .1 J Fig. 4.nected, and there should be, of course, no deflection evenby reversing the commutator. Connect shunt (still withno current in it) to galvanometer commutator, and see ifthere is any deflection, reversing this time the…
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