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Scientific American, Vol. 66, No. 10 (March 1892) (1892)

leaf 7

An illustration from Scientific American, Vol. 66, No. 10 (March 1892), 1892, leaf 7
the and to the German protected cruiser Kaiserin Augusta, and disks of the machine being rotated in unison, men themselves will take the place of the engine. This which was launched in January at Kiel, is an innova- driven by suitable machines. The improvement forms will not only produce the… … will give a speed of 30 knots under the grooves of the reducing rolls. Between each two adjacent pairs forced and 17"5 knots under natural GRIFFIN'S MACHINE FOR ROLLING HOLLOW RODS OR BARS. draught. The Kaiserin Augusta, of rolls are longitudinally extend- lately known as Kreuser H., is of ing…

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