Titles published by Ackermann:
Number of documents found: 2
- Sigmund Riefler
Title: Pr?zions-Pendeluhren und Zeitdienstanlagen fuer Sternwarten
SubTitle: [Precision Pendulum Clocks and Timesystems for Observatories]
Keywords: precision pendulum
Other Keywords: Riefler observatory mother slave
Edition: 1907
Page or pages: 76
BHM No: 7184 - Heiner Sadler
Title: Turm- und Kunstuhren
SubTitle: Astronomical and Turret Clocks - Horloges astronomiques et monumentales - Astronomische Uurwerken ..
Keywords: anthology astronomical monumental
Other Keywords: calendar
Edition: 1988
Page or pages: 13
BHM No: 6836
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