Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 37
h Chisel Form ^^^j^Q^ l^g Satisfactorily but not to Edge. (Front - and Side View.) erased. To put a chisel edge on the lead of thebow pencil or compass, fasten the lead inthe instrument so that it projects about one ^e-14—Pencil Lead sharp- . . , 1 r-i , 1 • 1 1 ^^^^ to Working Chisel quarter of an…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
