Image:Vacuumbrake 1911.jpg
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Vacuumbrake_1911.jpg (400 × 349 pixel, file size: 47 KB, MIME type: image/jpeg)
Diagram of train vacuum brake published in 1911 Britannica (retouched). Obtained from http://www.1911encyclopedia.org/Brake_(object) on 2007-01-25.
This image is in the public domain in the United States. In most cases, this means that it was first published in the United States prior to January 1, 1923 (see the talk page for more cases). Other jurisdictions may have other rules, and this image might not be in the public domain outside the United States. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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- (del) (cur) 11:28, 25 January 2007 . . Old Moonraker (Talk | contribs) . . 400×349 (47,854 bytes) (Diagram of train vacuum brake published in 1911 Britannica (retouched). Obtained from http://www.1911encyclopedia.org/Brake_(object) on 2007-01-25. {{PD-pre-1923}})
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