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Scientific American, Vol. 28, No. 18 (May 1873) (1873)

leaf 7

An illustration from Scientific American, Vol. 28, No. 18 (May 1873), 1873, leaf 7
; '' while the Professor G. H. Cook, State Geologist of New Jersey, in lever, C, which, at its lower end, is similarly attached to the inhabitants of other planets point their great telescopes his last annual report, recommends the more extensive use of wagon frame. The lever, C, passes up through… … cords, which can be conveniently oper- at any desired point. By means of this POWELL'S WAGON BRAKE. ated by the driver. By pulling upon the auger is turned, requiring, gener- the lower one, the lever, C, will be drawn forward, press- We want a large one and must have it. We long to know ally, two…

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