File:Oxygen toxicity testing.gif

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Description
English: Subject breathing oxygen under pressure. Testing for oxygen toxicity in divers by UK Government 1942–3.
Date
Source UK Admiralty photo published in: Donald K. W. (1947). "Oxygen and the diver: Part I". British medical journal 1(4506): 667–672. PMC: 2053251.
Author UK Admiralty
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Public domain
This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

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

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
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Other versions File:File-Oxygen toxicity testing.jpeg
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current23:31, 12 October 2008Thumbnail for version as of 23:31, 12 October 2008896 × 776 (568 KB)RexxS (talk | contribs){{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}
02:48, 8 October 2008Thumbnail for version as of 02:48, 8 October 2008923 × 800 (539 KB)RexxS (talk | contribs){{Information |Description={{en|1=Subject breathing oxygen under pressure. Testing for oxygen toxicity in divers by UK Government 1942–3.}} |Source=UK Admiralty photo published in: {{cite journal |author=Donald K. W. |title=Oxygen and the diver: Par

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