File:Two nitrous oxide cylinders, England, 1915-1940 Wellcome L0058165.jpg

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Two nitrous oxide cylinders, England, 1915-1940
Title
Two nitrous oxide cylinders, England, 1915-1940
Description

Nitrous oxide or laughing gas was used as an anaesthetic for dentistry from the 1840s. George Barth of Barth and Co – who produced these cylinders – was one of the first people to liquefy the gas in the 1850s.

Each of these cylinders contains 25 gallons (114 litres) of liquid nitrous oxide. The average patient required approximately six gallons (27 litres.) Dentists preferred having two cylinders to hand in case one stopped working or ran out during an operation.

maker: Barth and Company

Place made: London, Greater London, England, United Kingdom

Wellcome Images
Keywords: anaesthetic; gas cylinder; Nitrous Oxide
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This file comes from Wellcome Images, a website operated by Wellcome Trust, a global charitable foundation based in the United Kingdom. Refer to Wellcome blog post (archive).
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References
  • Library reference: Science Museum A625426
  • Photo number: L0058165
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https://wellcomeimages.org/indexplus/obf_images/24/98/2b1d76336cc9a578fb289f46234f.jpg

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