Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 334
Fig. 155.Section of Shear ALTERNATE DESIGNSSixth Alternate, Design No. 2 297 … Fig. 156.—Sheet Metal Flanger and Disc Cutter.(Niagara Machine and Tool Works Catalog)
Machine design
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