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The Encyclopedia of Horology

La Chaux-de-Fonds, Switzerland · 1746 – 1824

Jean-Frédéric Leschot

Partially verified

Automata

Life & work

Partner of Jaquet-Droz.

Training, contributions & innovations

  • Automata pioneer

Inventions & patents

  • N/A

Signatures & markings on surviving work

  • Signed work

Collecting significance

Signatures on historic work were applied by retailers and by later hands; attribution should rest on the movement's construction and provenance.

Diagram

12345let downstripcleanoilregulateorder of work; never skip letting down the mainspring
Schematic: order of work at the bench. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

Sources & references

  1. Britten, F. J., Old Clocks and Watches and Their Makers
  2. Loomes, B., reference works on British and European clockmakers

Where sources disagree, the disagreement is stated rather than resolved silently.