Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 66
61 62 A MANUAL OF MECHANICAL DRAWING. Plates 12 and 13. The Ellipse. If a cylinder or cone be cut by a plane at an angleto its axis, the outline of the curve obtained will bean Ellipse. In Plate 12 is shown a cylinder E F G H cut by theplane J K. To develop the ellipse: Draw the centre lines A B…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
