French, Arthur Willard, 1868-, Ives, Howard Chapin, 1878-1944. joint author · New York, J. Wiley & Sons. Inc.; London, Chapman & Hall, Limited · leaf 43
Surfaces, either concave or convex, may beformed in a way similar to that employed for plane surfaces, exceptthat, in place of the parallel rules, two rules may be used, each of 26 STEREOTOMY. which has one straight-edge, and the second edge of each cut tothe proper arc. A straight-edge connecting… … Fig. 32. between the drafts, testing with a template cut to the properradius. To work a plane surface from a cylindrical surface, or viceversa, an arch square in place of a bevel or simple square is used.The arch square has one arm of the square cut to fit the cylindri-cal surface, and the second…
Stereotomy
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