Barrows, F. W. (Frank Wilson), b. 1853 · New York, N.W. Henley Pub. Co. · leaf 181
d as follows: Let g h, Fig. 75, be thepitch at g h, Fig. 73, and e f the pitch at circumference, / kthe centre line and g e parallel with ; k; now divide thetwo Hnes g e, Fig. 75, and g c, Fig. 73, into an equal numberof parts, a^, a, a, o^ and 6, b^, W, b*. Now a line drawn i8o PATTERNMAKING. from…
Patternmaking
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