![](http://www.alamy.com/thumbs/6/EF64CC81-E81F-4729-8A3A-A7BD503CFD12/HKAENK.jpg)
Ryerson Physical Laboratory, Chicago, circa 1908
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Photo credit: © Niday Picture Library / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1908, chicago, circa, drawing, illinois, illustration, laboratory, painting, physical, ryerson, sketch, vintage