(NUMBER 42. | VOLUME X.] THE The annexed engravings represent anim- Scientific American, proved induction and eduction valve for … Fig. 1 is a perspective view of one modifi This casing is arranged parallel with the cyl- cation of the improvement connected to ?the inders, B B, and bolted securely thereto, and cause the noxious fumes given off by the nit- tery here represented, it is evident, obviates plates, without the cups ;…
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