Scully blue book: catalogue of iron, steel, machinery, heavy hardware, tools and supplies, with valuable and accurate reference tables (1910)
Scully Steel & Iron Co. · Scully Steel & Iron Co. · leaf 221
Class A/ Vertical Hoist. 4 inches to 19 inches diameter.Adapted for all kinds of hoisting; have automaticvalve, steel upper head, metallic gaskets, and ball andsocket hook. Also made with brackets to be used in horizontalposition. 4 feet lift is standard and are carried in stock. Otherlengths can… … 6 INCH THROAT, 6 INCH GAP. For use in punching f^ to ^ inch holes in ^ inch plate, at 90 lb.pressure. A boy with this punch saves the time, expense and troubleof three or four men handling a big sheet in a stationary punch. Thisis just the punch for copper shops and roundhouses or Where light…