Use three 1 1/2" diameter steel rolls made from pipe in a simple configuration
to turn a flat sheet of 24" wide metal into cylinders of adjustable diameters.
Vince used a bandsaw, drill press, and a welder to build
this useful machine. A valuable tool for sheet metal workers. Usual Gingery
quality. Get a copy.
8 1/2 x 11 booklet 40 pages