E B Koopman 1860 - 1929
Business man who founded the KMCD syndicate. ran the the Magic Introduction Company which marketed magical toys and optical novelties, including the Photoret pocket watch detective camera invented by Casler and Dickson.
Business man who founded the KMCD syndicate. ran the the Magic Introduction Company which marketed magical toys and optical novelties, including the Photoret pocket watch detective camera invented by Casler and Dickson.