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File:Self-cleaning smokebox.svg

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Original file(SVG file, nominally 1,024 × 1,024 pixels, file size: 43 KB)

Summary

Description
English: Diagram of generic British Railways self-cleaning smokebox, circa 1950.
Date
Source Sel cleaning.svg
Original source: Handbook for Railway Steam Locomotive Enginemen, page 43, published by British Transport Commission, 1957
Author Fred the Oyster
Permission
(Reusing this file)

British Transport Commission was an agency of the UK government and the material was subject to Crown Copyright. This expires 50 years from publication.

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This vector image was created with Adobe Illustrator.

Licensing

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 1969; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1969.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

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File history

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Date/TimeThumbnailDimensionsUserComment
current17:49, 8 September 2014Thumbnail for version as of 17:49, 8 September 20141,024 × 1,024 (43 KB)Fred the OysterUser created page with UploadWizard
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