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 236
The greatest objection with a flanging clamp operated by hand hasbeen the loss in heat caused by the slow operation of lowering theupper section to clamp the work. This has been overcome in thismachine, as the thinnest plate can be clamped. By pulling the leversfrom a vertical to a horizontal…