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Scientific American, Vol. 23, No. 18 (October 1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 23, No. 18 (October 1870), 1870, leaf 7
f Eng the spur wheel, F, the teeth of which are less in number than inventive genius have been busy in devising the best meth- land Institute of Mining and Mechanical Engineers and those on the fixed wheel, B. Shipbuilders in Scotland, by Mr. Henderson, will be of inter-, ods of rendering effective… … whereby the movement may be applied all 5 feet. With this condenser a vacuum ZEIGLER'S MECHANICAL MOVEMENT. to presses, shears, punches, raising of was formed at once, and got up rapidly to 52 buildings, pulling stumps, a substitute for the gearing on or- There seems to be practically no limit to…

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