LESCHOT - Jean Frédéric, Geneva, La Chaux de Fonds and London
Watchmaker and mechanician of great talent; associated with JAQUET-DROZ until his death in 1791, and then worked on his own account.
Singing bird and automaton watches.
Golden enamelled watch with pedometer movement, verge escapement,ca.1775 signed: Jaquet-Droz & Leschot, Londres.
LESCHOT - Georges Auguste, son of J.F., Geneva,
An eminent maker and designer of machines for VACHERON and CONSTANTIN
Developed the lever escapement and its manufacture by machine.
Invented diamond drills for tunnelling