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Scientific American, Vol. 67, No. 12 (1892) (1892)

leaf 4

An illustration from Scientific American, Vol. 67, No. 12 (1892), 1892, leaf 4
Cortlandt Street, New by this new process with a rolled forged surface have A mahogany case of convenient form is divided into York City. This movement is effected by means of a greater strength to resist the torsional strain of a screw four compartments by horizontal and vertical par- parallel… … presence, are replaced by paper or feather ones, the A patent was lately granted to Charles D. Rogers, THE CONE OF FLOWERS. bulk of which is more easily reduced. Such is the case of Providence, R. I., for a cold forging process for mak- in the experiment which we are about to present, and wire of…

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