Bergmann Jewelers Supply Company
Information from Wholesale, Retail, and Manufacturer’s Catalogs
U.S.R.
Made by Ulysse Sandoz-Robert
U.S.R. Mainspring Package – for Seth Thomas 18-size Old Style No. 23 (by Ulysse Sandoz-Robert of La Chaux-de-Fonds, Switzerland).
Seth Thomas Model 1
U.S.R. Mainspring – for Seth Thomas 18-size Old Style No. 23
U.S.R. Mainspring Package – for Seth Thomas 18-size No. 536
Seth Thomas Model 6 & 7
Model 5 ser#’s 300,000 to 350,000
U.S.R. Mainspring Package – for Seth Thomas 18-size No. 536
U. S. R. Mainspring Package – for Seth Thomas 12-size.
Seth Thomas 12-size
U.S.R. Mainspring Package – for Seth Thomas 12-size.
U.S.R. Mainspring Package – for Seth Thomas 18-size Century New Model No. 828.
Seth Thomas Century Models 12 & 13.
U.S.R. Mainspring – for Seth Thomas 18-size Century New Model No. 828.
Photographs contributed by Seth R. Thomas III and used with permission.