File:Riggs John M.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:22, 7 December 2008		309 × 391 (24 KB)	commons>Astrochemist	{{Information \|Description={{en\|1=Picture of Dr. John M. Riggs, who is credited with early work with nitrous oxide as an anesthetic}} \|Source=Page 32 of ''The Discovery of Modern Anæsthesia'' \|Author=Laird W. Nevius \|Date=1894 \|Permission= \|other_version

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