Quelques notes sur Pierre-Fréderic Ingold et les travaux de E. Haudenschild.
Quelques notes sur Pierre-Fréderic Ingold et les travaux de E. Haudenschild.
- 15 pages : illustrations, 21 cm
Ingold, Pierre Frédéric, 1787-1878.
Haudenschild, Ernest.
Clocks and watches--History.--Switzerland
Clock and watch makers--History.--Switzerland
History Switzerland Ingold Haudenschild Biography Berner G. Albert Timekeeper (general)
Ingold, Pierre Frédéric, 1787-1878.
Haudenschild, Ernest.
Clocks and watches--History.--Switzerland
Clock and watch makers--History.--Switzerland
History Switzerland Ingold Haudenschild Biography Berner G. Albert Timekeeper (general)