Vintage DUFF 2x8, Cast Iron Screw Jack, House or Railroad jack 20 ton Good working condition
Vintage Duff Norton 1025 Cast Iron Railroad Bottle Screw Jack 12 X 10
VINTAGE Duff Norton 15 Ton Bottle Jack 2-1/2 inch rise No. 1507 Ratcheting Jack
VINTAGE DUFF MFG. CO. MECHANICAL SCREW JACK X2374
Vintage Duff-Norton 2510-C Railroad Ratchet Journal Screw Jack
VINTAGE DUFF NORTON 15 TON RAILROAD, HOUSE, BARN, SHOP ALUMINUM JACK,# 517-AC
Vintage Duff Norton Railroad Jack 15 Ton
