Speaking of Leibniz, this paper on the relation between the logarithm and the chainette is interesting: https://www.maa.org/sites/default/files/pdf/awards/colle

Speaking of Leibniz, this paper on the relation between the logarithm and the chainette is interesting: https://www.maa.org/sites/default/files/pdf/awards/college.math.j.47.2.95.pd https://www.maa.org/sites/default/files/pdf/awards/college.m... (via https://fermatslibrary.com/s/how-to-find-the-logarithm-of-any-number-using-nothing-but-a-piece-of-string https://fermatslibrary.com/s/how-to-find-the-logarithm-of-an... )