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 148
The development. Fig. 293 is the development of one-half of the tub. EM equals bc; VOequals vo; YZ equals vz, the true length of vz, obtained, as in previous constructions, by car-rjing z to s,, thence to level of z. Similarly at the other end. (Reference Articles 191, 408, 418.) 437. The…
Mechanical drawing · Lettering
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