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 772
readiness to assist, should the friction ofthe middle roll on the plate be insuiflcient to carry it through. 2 he Niles Plate-straigMening Ildchine. shown in Fig. 4, is designed for straighteningplate iron for boilers, tanks, safes, etc. It has seven rolls arranged in two tiers—four rolls ROLLS,… … FiG. 3.—The Sellers bending rolls. ened. Indexes are provided for setting these rolls. The outer rolls of this series areadjustable independently ; the inner rolls are raised or lowered together, and the entire four
Mechanical engineering
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