Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 215
intclearly in mind it will be evident that to find the length of o a itis only necessary to draw the horizontal line ah as construction. DATA FOR DRAWING PLATE 29 Given: The orthographic views of the objects shown inFigs. 228 and 229. 210 MECHANICAL DEAWING Required: To draw a pattern for one of…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
