Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 429
to the west.On breaking the current the compass needle, as you see, immediatelyresumes its position from north to south. In other words, when thecurrent is flowing in this direction the north pole of the compass needlegoes to your left. That is to say, if I be looking in the direction inwhich the…
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