Engraving depicting Hermann Sprengel's air pump. Hermann Sprengel (1834-1906) a German-British chemist. Dated 19th Century

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Size: 3349px × 6263px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, air, archival, archive, britain, british, century, chemist, chemistry, engraved, engraving, german, german-british, germany, hermann, historical, history, illustrated, illustration, physics, pump, sprengel