Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 109
lOO MECHANICAL DRAWING. … whose diameter, 1-2^ is seen in the top view; its real shape is seenin the front view, where a and b are determined,and from which they may be projected to the topview. When L is parallel to only one plane, the sec-tion must be taken through L parallel to this plane.If L is not parallel to either…
Mechanical drawing
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.