The time-service system at the provisional observatory of the German Museum in Munich
By: by S. Riefler
Publisher: C. Wolf & Son, printers
Published: 1911
Place of publication: Munich
Language: eng
Subjects: Astronomical clocks; Time; Systems and standards; Electronic clocks and watches; Deutsches Museum (Germany)
Other titles: Präzisions-Pendeluhren und Zeitdienstanlagen für Sternwarten.
Notes: Title from cover.

"Second supplement to the treatise Präzisions-Pendeluhren und Zeitdienstanlagen für Sternwarten. Von Dr. S. Riefler ... 1907."