sired, owing to the occasional break- is partly withdrawn from the smoke chamber, while shank and thence a pair of wire arms extend up- ing loose of a cake of the material. In the machine its inner end is supported on the pivot rod D, and ward to a pair of blocks F and G, which are thus illustrated… … lower end of the stem is formed with a conical plug, through the pipe E. This cement mixer has been, ADJUSTABLE HEAD FOB PIANO HAMMEBS. constituting the valve proper, which is adapted to fit patented by Mr. A. G. Olsen, of Elkhorn, Wis. the conical valve seat, as indicated in Fig. 1. There…
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