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 126
n draw first the reference line. Toprovide against overlapping of projectionsthe reference line should be at a greaterdistance below the lowest point, /, of theplan, than the greatest height (a^a^) ofthe end view above x y. Then on MWlay off from 71/ the heights of the vari-ous horizontal edges of… … 146 THEORETICAL AND PRACTICAL GRAPHICS. ^ig-. 2.-^^.
Mechanical drawing · Lettering
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