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 94
ifc^...r)^::^,...^A whether dotting or cross-hatching — should be preceded by an undertone of either India ink,umber, Paynes gray, cobalt or Prussian blue, according to the kind of stone to be represented. ^ig-- l^j. … ^Lg-- i-a-S:.
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
