Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 613
r more than a dozen yearsago, in devising a new induction apparatus which would have hadsome very valuable properties, but from previous experience withthe incorrect statements of such laws in text-books, it was thoughtbest to test this law first with a simple crucial experiment. Thistest * showed…
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