Clocks: faces (top), and mechanisms (below) of a Ferguson (right), and a Smeaton-Franklin clock (left). Coloured engraving by J. Pass, 1809.
Wellcome Collection

Clocks: faces (top), and mechanisms (below) of a Ferguson (right), and a Smeaton-Franklin clock (left). Coloured engraving by J. Pass, 1809.

1809

CC0 — Public Domain
Wellcome Collection

Lettering: Horology. Improved clocks. ; J. Pass sculp.

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