History
Century
- XV
- XVI
- XVII
-
XVIII
- Abraham Louis Perrelet
- Abraham-Louis Breguet
- Antide Janvier
- Edward John Dent
- Ferdinand Berthoud
- Frédéric Japy
- Frédéric Louis Favre-Bulle
- Henri Louis Jaquet-Droz
- J. Louis Benjamin Audemars
- Jacques Frédéric Houriet
- James Cox
- Jean André Lepaute
- Jean Antoine Lépine
- Jean François Bautte
- Jean Frédéric Leschot
- Jean Moïse Pouzait
- Jean-Baptiste Schwilgué
- John Arnold
- John Ellicot
- Joseph-Thaddeus Winnerl
- Josiah Emery
- Louis Antoine Breguet
- Louis Moinet
- Louis-Frédéric Perrelet
- Pierre Augustin Caron dit Beaumarchais
- Pierre Frédéric Ingold
- Pierre Jaquet-Droz
- Pierre Le Roy
- Pierre-Louis Berthoud
- Robert Robin
- Thomas Earnshaw
- Thomas Mudge
- Urban Jürgensen
- William James Frodsham
-
XIX
- Aaron L. Dennison
- Achille Brocot
- Antoine Le Coultre
- Antoine Léchaud
- Auguste Lucien Vérité
- Charles Fasoldt
- Charles Frodsham
- Charles-Edouard Guillaume
- Constant Girard
- Edmond Jaeger
- Edouard Koehn Sr
- Edward Howard
- Ferdinand Adolph Lange
- Georges Frédéric Roskopf
- Georges-Auguste Leschot
- Hans Wilsdorf
- Henri Grandjean
- Henri Lepaute
- Henri Robert Ekegren
- Jean Celamis Lutz
- Jean Eugène Robert-Houdin
- Jean-Adrien Philippe
- John Harwood
- Jules Jürgensen
- Julien-Hilaire Rodanet
- Karl Moritz Grossmann
- Louis Leroy
- Louis Richard
- Louis-Clément Breguet
- Lyman W. Tompson
- Nicolas Mathieu Rieussec
- Sylvain Mairet
- Ulysse Nardin
- Victor Kullberg
Georges-Auguste Leschot
1800-1884
Swiss clockmaker and mechanic.
Son of Jean Frédéric Leschot.
Pioneer of interchangeability in clockmaking by the invention of machine tools for Vacheron Constantin.
1830
Design of the Swiss anchor escapement which his student, Antoine Léchaud, mass produced.
1839
Invention of the pantograph which allows the standardisation and interchangeability of parts on watches fitted with the same calibre.
1876
Gold Medal from the Arts Society for the invention of a hard rock perforator using black diamond chisels. This type of machine has been used to perforate several road and rail tunnels.


