Document Details Horloges ?lectriques et applications diverses - [Section] J.XI relev? de mon catalogue 1944:
Number of documents found: 1
- Title: Horloges ?lectriques et applications diverses - [Section] J.XI relev? de mon catalogue 1944
SubTitle: 555 exposes d'invention - [ Brevets Suisse 1889 - 1942] - Author: Robert Berthoud
- Publisher: Author
Keywords: directory reference electrical electromechanical electronic
Language: FRE
Notes: 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.
Edition: 1944 -- Copyright: 1944
Kind: Patent
Type: Timekeeper (general)
Geographic area: Switzerland
Topic: ElectricalScience
Organization: NA/other
Pages: 139 -- Height in cm: 29
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: FMM
BHM No: 9513 - Publisher: Author
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