Berner, Georges-Albert,
Pierre-Frédéric Ingold, 1787-1878 /
by G.-A Berner and Dr. E. Audétat ; translated by Richard Watkins.
- 11 pages : illustrations ; 28 cm
English translation of original French: Pierre Frédéric Ingold, 1787-1878, issued in Schweizer Pioniere der Wirtschaft und Technik, 13, 1962.
Ingold, Pierre-Frédéric--Biography.
Clock and watch makers--Switzerland--Biography.
Pocket Watch Switzerland Ingold Richard Watkins biography Making Industry Berner G. Albert