Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 116
column of the drill press and the over-hanging arm of the The A B milling machinecross heads of steamengines are sometimesfitted with circularguides ; they are morefrequently flat or an-gular. One advantageof the circular form isthe fact that the crosshead can adjust itselfto bring the wrist pin…
Machine design
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