Titles written by Konrad Kellenberger:
Number of documents found: 1
- Juergen Ermert
Title: Praezisionspendeluhren in Deutschland von 1730-1940 Observatorien, Astronomen, Zeitdienststellen und ihre Uhren - Band 1
SubTitle: [Precision Pendulum Clocks in Germany 1730 -1940 Observatories, Astronomers, Timeservices/Timestandards and their Clocks {in German }Vol.1]
Keywords: highgrade precision clock movement pendulum advanced
Other Keywords: Durchgansuhr PPU Guerike Graham Shelton Mudge Dutton vanCeuen Knebel vanSpanje Horwu Horwue
Edition: 2015
Page or pages: 603
BHM No: 19825
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