Francoise-Antoine Jecker 1765 - 1834

Mathematical instrument maker,
Nautical instrument maker,
Optical instrument maker,
Philosophical instrument maker

Traded at 20 rue des Marmousets; 110 rue des Douze-Portes, au Marais; 32 rue de Bondy (1819); all in Paris. François- Antoine Jecker; worked with Ramsden in London for five years; later had workshop with his brothers; signed 'Jecker à Paris'; organized quantity production.