. Hardware merchandising January-June 1898 . & Sole Agents for THEILE & QUACK, Elberfeld and Hamburg \ Fine Knives, Scissors / Razors N and -j 44 HARDWARE AND METAL spring ; in the next device the file was attached to a screw slidewhich rested on a stationary anvil and was worked by a feed chisel was struck by a vibrating drop hammer. Ericsson, thegreat engineer, invented a machine which developed the idea ofgraduating the depth of the cut, but uot the width of the of these machines lacked the nervous tension of the humanarm and the infinitesimal variations in


. Hardware merchandising January-June 1898 . & Sole Agents for THEILE & QUACK, Elberfeld and Hamburg \ Fine Knives, Scissors / Razors N and -j 44 HARDWARE AND METAL spring ; in the next device the file was attached to a screw slidewhich rested on a stationary anvil and was worked by a feed chisel was struck by a vibrating drop hammer. Ericsson, thegreat engineer, invented a machine which developed the idea ofgraduating the depth of the cut, but uot the width of the of these machines lacked the nervous tension of the humanarm and the infinitesimal variations in the height and force of thedrop of the hand-cutters hammer. The machine-cut file remainedlike the too perfect maid, of whom the poet claimed that she wasfaultily faultless. THE FIRST WEED FILE-CUTTING MACHINE. While the millions of the Whipple Company were being lost,their chief draughtsman was differing from them, and quietly work- depends as much on the regularity of the temperature at which it ishardened as on the irregularity of the teeth. The ideal fuel isone with which the heat of the furnace can be controlled to thethousandth p


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Keywords: ., bookcentury1800, booksubjectbu, booksubjectimplementsutensilsetc