. ber, I, while the return of the pis- The engraying represents pendant ton in the direction indicated by arms, J, working ina spiral groove, arrow 2 carries a current of wa- m, in the cup, W, for working the ter upward through chambers, /’ ne y= valve, but any other plan may be and e’, also into… … the Scientific American Patent Agency, April 29, 1862, and further information in relation to it may be obtained by addressing the inventor, at Sandy Hill, N. Y. HINTS TO OUR SUBSCRIBERS. Do not forget that the sixth volume of the “new series’ of this paper closes with this number. Do not forget…
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