Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 42
ethodof showing a true section along this line. Section CD is necessary to give the pattern maker a clear idea ofthe shape of the metal back of the T slot. \\Tiere dimensions are given in decimals, draw that part to the near-est sixty-fourth. Study the illustration carefully, so as to get a clear… … Section C-D Bore P.034Tap 2£- 6 Thd. a s. std.
Mechanical drawing
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