Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 240
When the flue is withdrawnthe screw may be coiniected again by power, putting the rolls in readiness to re-peat their work. These rolls may be driven by straight and crossed belts from a singlecountershaft, and controlled by friction clutches on the machine, or, by using areversing engine or… … HAND BENDING ROLLS.—for Light Plates. Used for tanks and light boilers. Top roll adjustable and self-supporting.Side rolls adjustable by screws. Arranged to bolt to foundation. Pits requiredin floor for the operating spiders. Made 6 ft. i and 8 ft. i between housings,with 8 and 9 rolls…
Machine-tools · Machinery
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