I've been looking at ereplacment, and I don't think it's a 6509. Mine has a power cord that detaches, a grounded one, and it has that speed dial at the bottom of the handle. I think it's possibly a 6521...
Bought this for $5 at a garage sale, missing the business end parts. The Catalog Number and Serial Numbers are scratched off from use. Can anyone ID this for me so I can order the parts to connect blades please? Thanks, Billy