since 1816 as an instructor at the united artillery and engineer school (german: ") in berlin, burg's principal subject of instruction was drawing and geometry, on which science he wrote a text-book that attained great popularity, being frequently republished and translated into several languages. on 4 july 1826, burg was promoted to first lieutenant, on time and according to his seniority. it is noteworthy that burg received his promotion, while other jewish volunteers, who claimed their legitimate rights to employment in the civil service, had been rejected because of their faith.