File:File-Oxygen toxicity testing.jpeg

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DescriptionFile-Oxygen toxicity testing.jpeg	English: Subject breathing oxygen under pressure. Testing for oxygen toxicity in divers by UK Government 1942–1943.
Date	1942 or 1943 date QS:P,+1942-00-00T00:00:00Z/8,P1319,+1942-00-00T00:00:00Z/9,P1326,+1943-00-00T00:00:00Z/9 . Photograph published 1947.
Source	Fig. 1 of: Donald KW (1947). "Oxygen poisoning in man—part I". BMJ (4506): 667–72. PMC: 2053251.
Author	UK Admiralty
Permission (Reusing this file)	No known restriction on publication.
Other versions	File:Oxygen toxicity testing.gif

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It is a photograph taken prior to 1 June 1957; or
It was published prior to 1974; or
It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:02, 7 June 2021		888 × 771 (392 KB)	commons>Materialscientist	FFT

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JPEG file comment	Fig. 1 of: Donald KW, Oxygen poisoning in man—part I, BMJ (4506): 667–72. Taken from PubMed scan, cropped, and converted to JPEG (quality level 80) with the GIMP 2.6.6.