Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 85
but stroke #3 continues to guide line #1. d repeats a, except that stroke #3 beginsat guide line ^4. g repeats a but h—4- stroke #3 continueswith a sweepingcurve to guide hne #1. q exactly repeatsthe a construction … MH Letters b and p.-4—
Mechanical drawing
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