Magic lantern. By Elbs, Freiburg The attachment on the front of the magic lantern is <link ref="tec3006">Münsterberg’s apparatus for mixing colors by the combination of colored gelatine papers</link>. The papers were slipped into place like lenses, being mounted on levers. The same device is shown on <link ref="lit8140" page="p0004s0002" mk="0.4756/0.7425">another photo</link> from Münsterberg, 1893 or see the <link ref="tec3121">related experiment</link> on its own. Magic lantern. By Elbs, Freiburg

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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:description>Description Rand: "Lantern Slide Projector with Tachistoscopc shutter" does not seem to be correct: No shutter identifiable. Possibly M97: "Magic lantern. Stereopticon screens. By Elbs, Freiburg. $20".
Comment II Rand Evans: The attachment on the front of the magic lantern is Muensterberg’s  color mixer 
made from a  set of colored gels. Munsterberg Nr. 77[77.	Apparatus for mixing colors by the combination of colored gelatine papers. After Münsterberg, by Elbs, Freiburg. $20.]
The gels were slipped into place like lenses, being mounted on levers. This device 
seems to be in use in one of the other photos in Muensterberg’s article (kk: link to image in PDF).
I will look for some reference to this device in Muensterberg’s  publications.
http://vlp.mpiwg-berlin.mpg.de/library/data/lit8140/index_html?pn=14&amp;ws=3&amp;mk=0.0638/0.6652&amp;wid=digi_5885
http://vlp.mpiwg-berlin.mpg.de/library/data/lit8140/index_html?pn=11&amp;ws=1.5&amp;mk=0.5507/0.6182&amp;wid=digi_8266
See also (definition of stereopticon):
http://www.reference.com/search?q=stereopticon
For the front part (?)of the device, see img30218</dc:description>
  <dc:identifier>https://vlp-new.ur.de/images/img30054</dc:identifier>
  <dc:identifier>oai:vlp-new.ur.de:img30054</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by-nc/4.0/</dc:rights>
  <dc:source>https://vlp-new.ur.de/records/lit38688</dc:source>
  <dc:subject>technology</dc:subject>
  <dc:title> Magic lantern. By Elbs, Freiburg  The attachment on the front of the magic lantern is &lt;link ref="tec3006"&gt;Münsterberg’s apparatus for mixing colors by the combination of colored gelatine papers&lt;/link&gt;. The papers were slipped into place like lenses, being mounted on levers. The same device is shown on &lt;link ref="lit8140" page="p0004s0002"  mk="0.4756/0.7425"&gt;another photo&lt;/link&gt; from Münsterberg, 1893 or see the &lt;link ref="tec3121"&gt;related experiment&lt;/link&gt; on its own. Magic lantern. By Elbs, Freiburg</dc:title>
  <dc:type>photography b/w</dc:type>
</oai_dc:dc>