Bunsen-Kirchhoff.jpg
Description Bunsen-Kirchhoff.jpg | ||||||
Date |
circa 1850
date QS:P,+1850-00-00T00:00:00Z/9,P1480,Q5727902
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Source | http://sceti.library.upenn.edu/sceti/smith/scientist.cfm?PictureID=2076&ScientistID=158 | |||||
Author | Unknown (Courtesy Edgar Fahs Smith Memorial Collection, Department of Special Collections, University of Pennsylvania Library.) | |||||
Permission
( Reusing this file ) |
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