Kochmann, Karl,
Gustav Becker story : 1847-1927 /
Karl Kochmann.
- [6th edition.].
- 114 pages : illustrations ; 22 cm
0933396295 9780933396296
Becker, Gustav, 1819-1885.
Gustav Becker--History.
Clock and watch makers--Germany.
Clock (general) Germany Gustav Becker biography Kochmann, Karl History