File:Mobile Air Lock Diving Bell cross section.jpg

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Mobile_Air_Lock_Diving_Bell_cross_section.jpg ‎(419 × 396 pixels, file size: 68 KB, MIME type: image/jpeg)

Summary

Description
English: Mobile Air Lock Diving Bell, cross section drawing, built for the Admiralty in 1902.

Drawn by Siebe Gorman Ltd in 1902, a copy was supplied to Robert H. Davis in 1932

The drawing was made for an Admiralty order.
Date
Source

Robert H. Davis , Journal of the Royal Society of Arts, Vol. 82, No. 4267 (AUGUST 31st, 1934), pp. 1049-1065

Royal Society of Arts
Author Siebe Gorman Ltd, Lambeth; Forrestt & Co. Ltd, Wivenhoe

Licensing

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The reason given by the user who added this tag is: I don't believe the copyright tags are correct as the image as the given source publication date is 1934, the source given is not UK government organisation and author not government employee, thirdly the work as given not initially published in US and no indication that if it was that copyright was not renewed


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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Mobile_Air_Lock_Diving_Bell_cross_section.jpg
Public domain
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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Public domain
This work created by the United Kingdom Government is in the public domain.

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Captions

Underwater diving life support and protection equipment

Items portrayed in this file

depicts

MIME type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current00:58, 5 May 2019Thumbnail for version as of 00:58, 5 May 2019419 × 396 (68 KB)BrettinamericaUser created page with UploadWizard
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Metadata

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