Zahnform und Zugfeder in Uhren.
Zahnform und Zugfeder in Uhren.
- 168 pages : illustrations, diagrams ; 21 cm
- Schriftenreihe der Gesellschaft für Zeitmeßkunde und Uhrentechnik ; 6 .
Clocks and watches--Design and construction.
Clock and watch making.
Gearing.
Germany Mainspring toothform Gearing theory technical Bock, H. [Editor] Timekeeper (general)
Clocks and watches--Design and construction.
Clock and watch making.
Gearing.
Germany Mainspring toothform Gearing theory technical Bock, H. [Editor] Timekeeper (general)