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Scientific American, Vol. 57, No. 6 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 6 (1887), 1887, leaf 4
s overlap is secured upon the top beam of the fence, and in this City, Pa. The parts are so made that the platform- about a quarter of an inch, this being effected by turn- frame are journaled two pulleys, one in a horizontal supporting arms of the bracket may be adjusted to a ing the gas on or off… … push bar sliding in parallel bearings on the bed plate, made with a cross head and connected by a slotted link a roof or to the upper or under side of a ladder. to the cam of the lever. The toolisvery powerful, and BAYER’S FLOOR CRAMP. is designed to cramp from eight to ten boards at atime if…

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