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Scientific American, Vol. 32, No. 6 (February 1875) (1875)

leaf 7

An illustration from Scientific American, Vol. 32, No. 6 (February 1875), 1875, leaf 7
portion of the apparatus. The hoop is then raised and | revolutionize the entire cooper's trade, since they are the first arranged knives, so that, when the cutting mechanism is the apertures slipped over the rivets, which are previously j complete set of substitutes for hand labor in that… … quires no more the immense Fig. 4,-BARE EL LEVELING, TRUSSING, AND HOOPING MACHINE. number of bar- power or set than an ordi- rels required nary circular saw of the same by several great sugar firms diameter; and its work is done are manufactured, some 5,500 with great celerity and excellent per…

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