
Title
A condensing air pump
Caption
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
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A15_340
License type
Rights managed
Available size
60,0Mb (2,0Mb) / 12,2in x 19,1in / 3663 x 5725 (300dpi)