Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 142
n only thenegative signals; i. e., those in which the platinodes went to thecable of 1866 at Valencia, and to that of 1865 at Newfoundland. In the latter case the effect of the arrangement would be to sub-stitute two circuits (each consisting of one cable with two cells ateach extremity and earth… … two first-named circuits is common to the two, being formed by thepiece of metal which unites the short circuit of the local battery 126 Mechanics, Physics, ctnd Chemistry. with the connected or looped cables. This will be readily seenfrom the diagram, which represents a positive signal from…
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