Horloges électriques et applications diverses : publication complète des classes 1 à 40 : 555 exposés d'invention, 5 numéros de brevets inscrits à double.

Contributor(s): Material type: TextTextSeries: Bibliothèque des inventions horlogères ; J. XI.Publisher: Saint-Imier : [Robert Berthoud], 1944Description: 139 pages : illustrationsContent type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
Subject(s):
Holdings
Item type Current library Call number Status Date due Barcode
Books Books Jost Bürgi Library Reading Room TS544.5 .H67 1944a (Browse shelf(Opens below)) Available 31560000015046

31560000015046 9513

Complete chronological listing of summaries of all patents filed relating to electrical horology in Switzerland 1889 to 1942, listing 555 patents (No index by name). Extract from a much larger, multivolume series by the same author on all horological patents.

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