Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as a teaching machine. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology 1948-1958. Daguerre camera. For more info: see the photographic manual of Helmer Bäckström. Nature and Culture. Other revised edition 1958-59. Cape. 3 photography's first decades (page 24 and following).

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Size: 2174px × 2299px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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