It looks like you have a 15-87 since it has the solid hand wheel and a BR motor. It is quite possible that the controller can be removed and used as a foot controller. Sometimes when the button controller was sold with the cabinet that they shortened the cord, so it didn't have excess cord to wrap up and put away. Hopefully, WIChix will be better able to help. Since the controller looks to be connected directly to the plug?? maybe just a cord like
https://www.amazon.com/Power-Cord-Si.../dp/B002JKP0X6 would work.
The metal pieces which can be taken off fairly easily and polished with metal polish. The bobbin winder can be kind of fiddly to get back together.
Janey - Neat people never make the exciting discoveries I do.
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