Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 313
different types in use, two of thevery common ones are shown in Figs. 141 and 142, the formerbeing used in the smaller machines. The chief objection to the 280 MACHINE DESIGN bronze block is its liability to wear unevenly thus causing lostmotion and an irregular movement of the block while…
Machine design
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