Item no. P2534b (postcard)

Type: cover

Country: Czechoslovakia

Date of use: 10 August 1940

Business stationery (postcard, back of) used by the company EMIL BIRNBAUM in Prague (Praha, Czechoslovakia), manufacturer of cameras (some of them on own patents), accessories and optical grinding factory. The company was founded in 1903, and from 1917 was based in Rumburk. In 1938, as a result of the annexation of the Czech border areas to the German Reich, he moved his plants to Prague, where he already had his photo shop.
The text is about matching a filter from Zeiss Ikon to the 90 – 120 mm lens of rather obsolete camera Mentor-Compur-Reflex .