Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 117
Fig. 140. Prob. 4.—Develop the surface of aand 2} in. pitch. Prob. 5.—Develop the surface of aframe 1 in. wide and 1J in. pitch; 2in. long and half conical at the ends.(Fig. 141.) M. D.—10. Fig. 139. Prob. 2. - De-velop the sur-face of a cone1J in. base andIf in. pitch. Prob. 3.—De-velop the…
Mechanical drawing
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