Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 522
Fig. 6.—Measuring-machine. … Fig. 7.—The Rogers-Bond comparator. shown in the figure. These stops are arranged to be adjusted at any desired position alongthe guides, and are securelv held by clamping on the under side by the handles G and H.These stops are each provided with a pair of electro-magnets, I and J, the poles of…
Mechanical engineering
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