Jecker Frères Unknown - 1847
- occupation:
- Mathematical instrument maker,
- Nautical instrument maker,
- Optical instrument maker,
- Philosophical instrument maker
- Nationality:
- French
Traded at 32, rue de Bondy, Paris. Consisted of Jecker frères; François-Antoine Jecker and his brothers, Laurenz J. Jecker and perhaps A. Jecker. Thought to have been active up to 1847 as Jecker but traded as Jecker Freres in 1820s.