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Scientific American, Vol. 33, No. 14 (October 1875) (1875)

leaf 7

An illustration from Scientific American, Vol. 33, No. 14 (October 1875), 1875, leaf 7
n, unless the user deliberately sets the digit indicator, E, to the wrong number. A little praclice will enable him lo cause that indicator, however, to stop at the WOOD'S PATENT SQUAKE-INCH TEST VALVE. right figure almost instantly, so that tbe column will be cast To introduce the belcv described… … to the rolls by one man. The great saving in manual labor astrous consequences attributable to false indications by the and the superior excellence of the metal produced will en- same, would only be to rehearse facts with which every en- able this concern to distance all foreign competition. One…

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