Image:Sel cleaning.svg

Sel_cleaning.svg‎ (SVG file, nominally 256 × 256 pixels, file size: 143 KB)

Description	Diagram of generic British Railways self-cleaning smokebox, circa 1950
Source	Handbook for Railway Steam Locomotive Enginemen, page 43, published by British Transport Commission, 1957
Date	1957
Author	This media has no author information, and may be lacking other information. Media should have a summary to inform others of the content, author, source, and date if possible. If you know or have access to such information, please add it to the image page. Notify the uploader with: {{subst:add-desc\|1=Sel cleaning.svg}}
Permission (Reusing this image)	British Transport Commission was an agency of the UK government and the material was subject to Crown Copyright. This expires 50 years from publication.

This work is in the public domain worldwide. This is because either:

It is a photograph created by the United Kingdom Government taken prior to 1 June 1957; or
It is an engraving or photograph created by the United Kingdom Government and commercially published more than 50 years ago; or
It is an artistic work other than a photograph or engraving which was created by the United Kingdom Government more than 50 years ago.

See Copyright, Crown copyright artistic works and HMSO Email Reply.

File history

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	Date/Time	Dimensions	User	Comment
current	14:23, 29 February 2008	256×256 (143 KB)	Old Moonraker (Talk \| contribs)	({{Information \|Description=Diagram of generic British Railways self-cleaning smokebox, circa 1950 \|Source=''Handbook for Railway Steam Locomotive Enginemen'', page 43, published by British Transport Commission, 1957 \|Date= \|Author= \|Permission= British Tr)