owing jets as small as } inch. E. A long pointed cone valve, F, placed concentrically with as the connecting link between rotative and rotary ma- The inventor, Mr. Melville Clemens, of Worcester, Mass., the nozzle, has its stem, G, accurately fitted, but free to chines. It certainly is a curious… … quills or pipes, about three feet troduced in France by M. Buf- HIGGINSON’S SEMI-ROTARY ENGINE. long, which havea slit down faut The squares are com- one side, where the bark was cut. The smallest quills are feather-edged wings, I, fixed transversely in the barrel. A posed of slips of wood made in…
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