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Scientific American, Vol. 2, No. 7 (February 1860) (1860)

leaf 7

An illustration from Scientific American, Vol. 2, No. 7 (February 1860), 1860, leaf 7
ost readily adjustable of any that we have ever exam- machine is moved to the next stop and the operation re- so far as it has gone this case amounts to almost no trial ined. The movable jaw slides loosely on the bar and is peated, the distance apart of the staples thus correspond- at all. It has… … a pound, and the inventor consist of "an increase of BELL'S PATENT WRENCH. says that all who have worked opening through its whole range of motion." The meaning of such an expresston with it have been much pleased with its operation. movement of a lever which will be understood by in- The patent…

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