The Edison B-80 disc machine has a cork-faced driving pulley, but mine was so dry that it just slipped. I did the same as Ron, coating it with rubber cement. Worked fine after that. ----- Original Message ----- From: "Ron L" <lherault at bu.edu> To: "'Antique Phonograph List'" <phono-l at oldcrank.org> Sent: Monday, February 26, 2007 10:04 AM Subject: RE: [Phono-L] Slipping belts I had one machine that did not want to cooperate. I ended up putting a light coating of rubber cement on the mandrel shaft pulley. The belt would then slip just the right amount. Ron L