Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as teaching material. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology 1948-1958. Forest on lake. The picture is written Vanadium (Vanadine), (for more text see the picture.) For more info: see photographic manual of Helmer Bäckström. Nature and Culture. Other revised edition 1958-59 Chapter 75-79 (page 585 and following) Toning procedures for silver images:

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Size: 2307px × 2167px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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