From 1847 to 1856 he was engaged in teaching chemistry at the Polytechnic, of which from 1883 to 1892 he acted as director, and from 1856 to 1866 he was on the staff of the military high school.
He was engaged in teaching chemistry at the Polytechnic and from 1856 to 1866. This was from 1847 to 1856. He was 1856 to 1866 on the staff of the military high school. He acted as director of the Polytechnic.