Jacob Amsler

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Jacob Amsler

Swiss mathematician

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planimeter
…invented by the Swiss mathematician Jacob Amsler about 1854. It consists of a pole arm, or bar, which has a weight at one end, and a tracer arm, the end of which has a point that the operator guides around the boundary of the area in question. Both arms rest…
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…invented by the Swiss mathematician Jacob Amsler about 1854. It consists of a pole arm, or bar, which has a weight at one end, and a tracer arm, the end of which has a point that the operator guides around the boundary of the area in question. Both arms rest…
Read More