Cardboard and gelatine paper of various colors, two hundred sheets of colored paper, colored crayons, etc. By Milton Bradley Co., Springfield; Prang, Boston, etc. See a color photograph of this device in the <link href='http://dssmhi1.fas.harvard.edu/emuseumdev/code/emuseum.asp?rawsearch=Number%2F%2C%2Fis%2F%2C%2FWJ0619%2F%2C%2F0%2F%2C%2F0'>Harvard Collection of Historical Scientific Instruments</link>. Cardboard and gelatine paper of various colors, two hundred sheets of colored paper, colored crayons, etc. By Milton Bradley Co., Springfield; Prang, Boston, etc.

Dublin Core Export

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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>Comment Rand Evans II: IMG30182 
These are cards wrapped with colored worsteds and are based on the Holmgren Worsted 
test for color blindness.  I have  seen a photograph and description of them recently and 
will look through my materials to locate them. 
http://vlp.mpiwg-berlin.mpg.de/library/data/lit8140/index_html?pn=11&amp;ws=3.0&amp;mk=0.5193/0.5517&amp;wid=digi_8399
Unknown. Does this device have to do with appreciation of color? 
Thumbnail replaced with marked version.</dc:description>
  <dc:identifier>https://vlp-new.ur.de/images/img30182</dc:identifier>
  <dc:identifier>oai:vlp-new.ur.de:img30182</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> Cardboard and gelatine paper of various colors, two hundred sheets of colored paper, colored crayons, etc. By Milton Bradley Co., Springfield; Prang, Boston, etc.   See a color photograph of this device in the &lt;link href='http://dssmhi1.fas.harvard.edu/emuseumdev/code/emuseum.asp?rawsearch=Number%2F%2C%2Fis%2F%2C%2FWJ0619%2F%2C%2F0%2F%2C%2F0'&gt;Harvard Collection of Historical Scientific Instruments&lt;/link&gt;. Cardboard and gelatine paper of various colors, two hundred sheets of colored paper, colored crayons, etc. By Milton Bradley Co., Springfield; Prang, Boston, etc. </dc:title>
  <dc:type>photography b/w</dc:type>
</oai_dc:dc>