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 116
, as the h. p.and V. p. of a point are alwaj^s in the same perijendicu-lar to G. L., we project r, a, b and c to their respectivelevels by the construction lines shown, obtaining v.abcfor the front elevation. Projectors to the profile plane from the points of the plan give 1, 2, 3, which are then… … Eig-. 233-
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
