Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as lecture material. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology in Stockholm örstorings from the same negative such as SKC7169, performed with magnifier with directed light. For more info see: Bäckström, Helmer. Photographic manual. Other revised edition. Nature and Culture. Stockholm. 1948. p. 645.

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Size: 2267px × 2205px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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