Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 133
a f 152 THEORETICAL AND PRACTICAL GRAPHICS. :Fig-. 3-^9. … Eig-- SSO. to the edges, as that through a. The seven i^arallels to a b, drawn at distances x apart, will containthe various edges of the prism as it is rolled out on the plane; and the position of the extremitiesare found by perpendiculars from their original positions.The initial position o j 6,…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
