Collins, Charles Dickey, 1872- [from old catalog] · New York, D. Van Nostrand company · leaf 117
1 J) = pitch =■ Formula -! No. threads per inch(i = depth = pX. 04033b = radius = J) X. 1373 Acme Standard Screw Thread … Formula p = pitch = 1 No. threads per inchd = depth = 3^p+.010b = flat on top of thread = pX.3707 WASHERS 115 Cast Washers Government (O. G.) Standard Diameter^Inches HoleInches ThicknessInches BoltInches WeightPounds ^2K ^ 11 16 Yi y2 2M M H Vs % . 3 K 16 Ya Va 3H 1 Vs % 134 4 1^ 15 1 fi 1 m 43^ m…
Drawing-room practice · Mechanical drawing
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