Titles written by Raingo:
Number of documents found: 1
- Cornelius Knutsen
Title: Kombinierte Sternzeit- und Mittlere Zeit-Uhr - System Stroemgren und Olsen
SubTitle: Cornelius Knutsen, Kopenhagen
Keywords: astronomical specific watch
Other Keywords: siderial
Edition: 1917
Page or pages: 16
BHM No: 18208
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