Uhren und Zeitmessung.
Kruger, Gustav,
Uhren und Zeitmessung. - 120 pages. - Hallwag Taschenbuch Technik 121 .
3444501145 9783444501142
Clocks and watches.
Clocks and watches--History.
Time.
Global Time timekeeping
681.11
Uhren und Zeitmessung. - 120 pages. - Hallwag Taschenbuch Technik 121 .
3444501145 9783444501142
Clocks and watches.
Clocks and watches--History.
Time.
Global Time timekeeping
681.11