Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 318
ng and adjusting the tools.Double machines avoid the necessity of such changes. Machines such as are here represented require more work thanshould be expected of one assignment. They may, however, beassigned to two men. This is especially true of the doublemachines, in which case the frames may be… … Fig. 145.
Machine design
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