Mathematicall magick. Or, the wonders that may be performed by mechanicall geometry. In two books. Concerning mechanicall powers [and] motions. Being one of the most easie, pleasant, usefull, (and yet most neglected) part of mathematicks. Not before treated of in this language (1648)
Wilkins, John, 1614-1672 · London : Printed by M.F. for S. Gellibrand · leaf 85
2 a Pappus Collect. Mathe- mat t.8, rall kinds: the male, which is meant | | f j | female, which is of a concave fuper- | | | … The former is noted in the figure Ariftotle bimfelf doth not fomuch | { zing or prefling of things downe- | wards, | «
Mechanics · Geometry · Mathematics
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
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