Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 101
156. Section C is an ellipse which appears a straight line in thefront, and a circle in the top view ; its real length is seen in the front SECTIO.VS. 93 view. The short axis of the ellipse bisects its long axis, and intersectsthe axis of the cylinder ; it appears a point (z^ 2^) in the front…
Mechanical drawing
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