Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 86
FiQ. 211.—Ellipse, constructed byconcentric circles. Fig. 212.- -Ellipse, drawn by stringmethod. 131. To draw an Ellipse, having given the Major and Minor Axes—Second Method: By Conoentrie Circles.—Let AB and CD, Fig-. 211,be the two given axes. Place them at rig-ht angles to each other at their…
Mechanical drawing · Geometrical drawing
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