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 feedstock: Fig. 131 Maltese cross, Fig. 132 impacting, Fig. 133 Election device with heel.

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Size: 2490px × 2007px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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