Lang, Hans,
Die Hans-Lang-Uhr : eine astronomische kunstehr der superlative /
Hans Lang.
- [First edition].
- 79 pages
3922673139 9783922673132
Lang, Hans.
Clocks and watches--Design and construction.--Germany
Astronomical clocks.
Shelf clock Germany Gearing monumental clock Hans Lang Furtwangen Astronomical complication highgrade mechanical specific Mechanics
681.113.94