Clocks: plan of a dividing engine for setting out gearwheels. Engraving by Defehrt [after G. d'Heuland].
- Reference:
- 40820i
Licence: Public Domain Mark
Credit: Clocks: plan of a dividing engine for setting out gearwheels. Engraving by Defehrt [after G. d'Heuland]. Wellcome Collection. Source: Wellcome Collection.
