View Original: | Vacuum pump, c. 1875 - Museum of Science and Industry (Chicago) - DSC06395.JPG (3936x3627) | |||
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Keywords: Vacuum pump, c. 1875 - Museum of Science and Industry (Chicago) - DSC06395.JPG en Exhibit in the Museum of Science and Industry Chicago Illinois USA Photography was permitted in the museum without restriction 2014-08-22 10 58 15 own Daderot cc-zero Scientific instruments in the Museum of Science and Industry Chicago Uploaded with UploadWizard Vacuum pumps |