This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kungliga Tekniska Hgskolan . tekniskamuseet se html sv DIG Laboratorie vid avdelningen fr fotografi Kungliga Tekniska Hgskolan Tekniska museet John Hertzberg Information field Institution Institution Tekniska museet cczero Uploaded with Images from Tekniska museet Royal Institute of Technology John Hertzberg Interiors of schools