Apparatus for mixing colors by the combination of colored gelatine papers. After Münsterberg, by Elbs, Freiburg
Image source (VL Image)
Source
Anonymous.
1892.
Harvard Psychological Laboratory in Dane Hall: Instruments for Experiments on Sight.
Photography
Related VL People
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Psychological Laboratory, Harvard University.
Cambridge (MA).
comment
The gelatine papers were slipped into place like lenses, being mounted on levers. There are two devices on the Harvard photographs, that match Münsterbergs decription "77. Apparatus for mixing colors by the combination of colored gelatine papers. After Münsterberg, by Elbs, Freiburg". The first one is shown here, the other one can be seen in an experimental setting in use together with the <link ref="tec2960">Magic Lantern</link>. See also a color photograph of this device, its "second version", in the <link href='http://dssmhi1.fas.harvard.edu/emuseumdev/code/emuseum.asp?rawsearch=Number%2F%2C%2Fis%2F%2C%2FWJ0029%2F%2C%2F0%2F%2C%2F0'>Harvard Collection of Historical Scientific Instruments</link>.VL Technology
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- http://vlp.uni-regensburg.de/references?id=tec3006