Internet Horology Club 185
Harrison Grasshopper Escapement
This topic can be found at:
https://ihc185.infopop.cc/eve/forums/a/tpc/f/7186009181/m/5096024494
November 20, 2003, 16:06
Andy Krietzer
Harrison Grasshopper Escapement
Harrison Grasshopper Escapement
Andy
Member of Chapters 168 and 185.