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Scientific American, Vol. 12, No. 34 (1857) (1857)

leaf 7

An illustration from Scientific American, Vol. 12, No. 34 (1857), 1857, leaf 7
des which can be detached when it is ne- nels of steamers on the river betweon. The cessary to remove one roller for the purpose clear span or stretch between the masts is other, then he passes his hand over his body, about one mile. The wires so strained are forming the circle, and thus by the… … illustrated with ORIGINAL ENGRAVINGS—all of have before existed in any convenient and them engraved expressly for this publication’ of inserting another by nuts,O O, figure 1. sented by the dotted lines, it will be necessary, really practicable form. In the most common All the most valuable…

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