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Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass (1887)

Faunce, Linus · Boston, W.J. Schofield, Printer · leaf 45

An illustration from Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass, 1887, leaf 45 — Prob. 90. Given the axes AB and CD of an ellipse to draiothe curve, and at any point on the curve to draw a tangent. Place the axes AB and CDat right angles to and bisectingeach other at O. With centreC and radius OA cut AB inF and F, which are the foci.Between O and F, or F, takeany point G,…

Mechanical drawing

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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