1) German surname 
[Beirette] Freitaler Kameraindustrie Beier & Co was an East German camera manufacturer from 1923 to 1989. Woldemar Beier (1886-1957) opened a camera factory in Freital on 1 April 1923, initially producing plate cameras of wood, then aluminium from 1929, 35mm cameras from 1932 and single lens reflex from 1938. In 1941 the factory converted t...