Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 271
der the test. The resistance was 400 to 500 pounds per square inch ofsurface of bolt exposed. It is very common to split the bolt at the bottom (Fig. 534) and insert a 254 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. wedge in the cleft and drive it against the bottom of the bolts, forcing open…
Mechanical drawing
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