I have a model 5 Seth Thomas and the regulator arm is positioned over the balance cock and not onto the plate. Don't mind the temporary Ball whiplash regulator I installed while I fix the original. You still get an idea of the overall movement design.
1891 Stem wind/set 15J 18S Pendent Set/OF Model “5” Grade “149” gilt full-plate. Serial# 292286.
Roland
R. Glenn
Posts: 437 | Location: Ryde, Isle of Wight, United Kingdom | Registered: January 18, 2010