Ducommun, H.. 1818-1820. Philadelphia, Pa.. clockmaker or watchmaker --

Access_id	67458 (1)
Rediscov_id	33052 (1)
Name	Ducommun, H. (1)
Active date	1818-1820 (335)
Location	Philadelphia, Pa. (4379)
Trade	clockmaker or watchmaker -- (1152)