Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 108
ers and leaves the sphere, ahorizontal cutting plane may be passed through the line. This planegives a circular section whose diameter 1-2 is seen in the front view.The circle appears a circle in the top view; here its intersectionsa^ and b^ with Z^ are seen, and may be projected to the frontview.… … lOO MECHANICAL DRAWING.
Mechanical drawing
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
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