Concept
Balance springs
Images
Catalogue
- Pictures
Clocks: spring driven clock mechanism. Engraving by Prevost after G. d'Heuland.
Reference: 40730i- Pictures
Clocks: a device for balancing cogs. Engraving by Prevost after Bourgeois.
Bourgeois.Reference: 40869i
- Pictures
- Online
Clocks: a repeater clock mechanism, exploded view. Engraving by Prevost after G. d'Heuland.
Reference: 40736i- Pictures
Clocks: a device for balancing cogs. Engraving by Prevost after Bourgeois.
Bourgeois.Reference: 40871i
- Pictures
- Online
Clocks: various springs, escapements, and correction mechanisms. Coloured engraving by J. Pass, 1809.
Date: 20 November 1809Reference: 40889i