all
- Prussian transport company, 19th century
- Magic lantern operator for Alexander Black, 1866-1938
- Berlin-based slide manufacturer
- German photographer and slidemaker who worked for the Staatliche Museen in Berlin
- German photographic printing company, active 1894-1921
- American slide manufacturer
- American photographer and lantern slide manufacturer
- German lantern slide and photograph vendor, ca. 1890s-1950s