Engraving depicting a condensing air pump. Strong glass receiver held tightly down and air pumped into the vessel. Same principle was used to supply air to divers. Dated 19th Century

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Size: 3663px × 5725px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, air, archival, archive, century, condensing, divers, engraved, engraving, glass, historical, history, illustrated, illustration, physics, pump, receiver, science, supply, vessel