Originally Posted by gmcttr
Instead of removing extra material by sanding or blasting, i recommend you use evaporust
to remove only the rust.
It's what all the cool kids on the antique/vintage sewing machine forums are using.
Another option is Electrolytic Rust Removal
That's some pretty cool stuff; now where's that credit card...
I especially like the electrolytic removal, kinda like reverse anodizing!