More or less happened upon this patent whilst searching for others and wondered if/when it was actually used? The design is by Charles Woerd (US pat#203976, dated May 21st, 1878) and it sure seemed like a shrewd technical treatment of issues with heat and cold compensation "in the day". The provided drawing is, I suspect, a bit misleading in that I can't really "see" what's shown by examining a balance with the naked eye. So - I'm forced to wonder if this type is what Waltham referred to when their literature mentioned "patent" balance? Was it as Woerd intended or further modified or not really used as designed? Sure would appreciate any enlightenment on the subject (and whether other makers had similar approaches, while we're at it) - THANKS!
Most visitors online was 4107 , on 14 Jan 2023