Early Variable and Single Speed Motors... The Same?

Topher McGinnis may be able to answer the parts interchange question and can restore it if you send it to him. He does excellent work. Sorry about the Farcebook link....that's all I could find.
https://www.bing.com/ck/a?!&&p=d5df...mFjZWJvb2suY29tL3RvcGhlci5tY2dpbm5pcy43&ntb=1