File:A man breathing in nitrous oxide (cropped).jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:28, 7 September 2022		2,294 × 1,783 (1.93 MB)	Belbury	File:A man breathing in nitrous oxide (laughing gas) and a man ex Wellcome L0023721.jpg cropped 23 % horizontally, 49 % vertically using CropTool with lossless mode.

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Author	Wellcome Library, London
Copyright holder	Copyrighted work available under Creative Commons Attribution only licence CC BY 4.0 http://creativecommons.org/licenses/by/4.0/
Image title	L0023721 A man breathing in nitrous oxide (laughing gas) and a man ex Credit: Wellcome Library, London. Wellcome Images images@wellcome.ac.uk http://wellcomeimages.org A man breathing in nitrous oxide (laughing gas) and a man exhibiting its exhilarating effects. Wood engraving, n.d., [c. 1840?]. Wood engraving 1868 Published: ca. 1840 Copyrighted work available under Creative Commons Attribution only licence CC BY 4.0 http://creativecommons.org/licenses/by/4.0/
IIM version	2
Short title	L0023721 A man breathing in nitrous oxide (laughing gas) and a m
Headline	L0023721 A man breathing in nitrous oxide (laughing gas) and a man ex