Appletons' cyclopædia of technical drawing : embracing the principles of construction as applied to practical design ... (1896)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton · leaf 372
tened 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 secured FIG. so?.by a steel pin…
Mechanical drawing
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