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Scientific American, Vol. 33, No. 8 (1875) (1875)

leaf 7

An illustration from Scientific American, Vol. 33, No. 8 (1875), 1875, leaf 7
multaneously. The device may be pivoted to the handle disks, outward; and thus the end of advantageously used for the clamping of doors, sashes, etc., ence to its intrinsic quality, largely influences the sale. Su- as well as floors, It may be also employed as a lifting jack said bar acts as a… … device is clearly shown. On of sugar horizontally, with its WOOD'S FLOOR CLAMP, rotating the handle so as to base pressing against the mid- drive the screw outward, thus pushing the boards together, teeth. As the part, E, of said clutch bears against the bar, dle of the machine, where a circular…

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