the term ag meaning “ wheels | is turned by means of the rack, r, upon its edge, | This is shown in Figs. land 5. The shaft is made with vertical axcs capable of moving when immersed | which meshes into the pinion, s, upon the shaft, M’. | concave at its lower end, and rests upon the hemis- in the… … is framed of a central RUSSELL’S IMPROVEMENT IN TURBINE WHEELS. Maly) 18 hineed: between hub, f, outer rim, g, and the upper edge of the buckets, k. Over the wheel is placed a series of sta-| wheel upon its upperend. The openings, ¢ ¢, through , ring, B, and the shoulder ¢, in the lip, 8, of the…
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