A diagram showing the various angles of cut of a cone required to produce a parabola, hyperbola, and ellipse. In: “Geometriae practicae novae et auctae tractatus I[-IV] ...” by Schwenter, Daniel, 1585-1636. Vol. I, page 14. Published posthumously in 1641.
Photo Category: Treasure - Geodesy
Added On | 17th October 2015 |
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