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 149
lso lying at a distance x back of the axis of the cylinder. The auxiliary surfaces employed may preferably be vertical planes through the vertex of the cone, since each will then cut elements from both cjdinder and cone. Thus, vfe is the h. t. of a vei-tical plane which cuts e v, ev from the cone,… … Xig-. sss.
Mechanical drawing · Lettering
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