Babbit, Arthur B · New York, H. Holt and company · leaf 187
GEOMETRICAL DEFINITIONS 177 position lettered and is constrained to follow thecurve A E H, a cylindricalsurface is produced. Anyposition of this movingHne, E F, parallel to A B,Fig. 94, is called an ele-ment of the surface. A cylinder is a solidbounded by a cylindricalsurface and two parallel ^^^-…
Mechanical drawing
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