Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 374
e andflattened on top and bot-tom, so that the boxes ofthe rod can never bind onthe pin at the extreme ofthe vibrations of the rod ;usually these pins areround. The pin is formedwith large squares at theends, by which it is fittedinto the jaws of the cross-head, where it is securedby a steel pin… … Fig. 806. Fig. 805.
Mechanical drawing
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