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JPW
10-16-2007, 07:14 PM
Hello all. I am looking for any insight into the chemical processes behind a celestograph (see link below). My research suggests that it is possibly silver gelatin bromide plates. IF anybody has any clue, I would be eternally grateful. Thanks---JPW

http://www.cabinetmagazine.org/issues/3/celesographs.php

earlj
01-08-2008, 07:58 AM
http://www.kirchersociety.org/blog/2006/06/26/strindbergs-celstrographs/

And in the following, click on 'photographic guide' and scroll down to the bottom section, labeled 'Psychological Photographs' - his Wunderkamera sounds like a pinhole camera to me:
http://www.hallstromdesign.com/clients/strindberg/strind_movie_v2.swf