File:Bulletin CS-632 Hypoxia warning system cover image 2012 002 5251 gt54kn46p.tiff

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Male pilot wearing a helmet   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
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UnknownUnknown
Title
Male pilot wearing a helmet
Description

Male pilot wearing a helmet, cover image from Pamphlet: Bulletin CS-632 Hypoxia warning system for monitoring partial pressure of oxygen in artificial atmospheric environments, Illustration, p. 1.

The brochure describes the operation, application, and specifications of a system designed to monitor oxygen partial pressure in pilots' masks and helmets and warn them when levels dip dangerously low.

Circa 1963. No copyright statement. No copyright renewals.
Date 1963
date QS:P571,+1963-00-00T00:00:00Z/9
institution QS:P195,Q5090408
Accession number
2012-002_5251
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Source https://digital.sciencehistory.org/works/kd17ct42v
Permission
(Reusing this file)
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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current19:12, 27 September 2019Thumbnail for version as of 19:12, 27 September 20192,258 × 939 (8.09 MB)Mary Mark Ockerbloom (talk | contribs)== {{int:filedesc}} == {{Photograph |photographer ={{unknown}} |title =Male pilot wearing a helmet |description =Male pilot wearing a helmet, cover image from Pamphlet: Bulletin CS-632 Hypoxia warning system for monitoring partial pressure of oxygen in artificial atmospheric environments, Illustration, p. 1. The brochure describes the operation, application, and specifications of a system designed to monitor oxygen partial pressure in pilots' masks and helmets an...

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