File:Sitting a horse.png

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English: Furnace ventilation in early coal mines. Accumulating soot in the furnace flue became a fire risk and had to be cleared out e.g. during vacations. Crews swept it out; a man with a safety lamp watched out for explosive fire damp. The disagreeable duty was called "sitting the horse'; the author remembered doing it in his youth in the mines of England.
Date
Source Clifford W., "Outlines of Mine Ventilation", Proceedings of Engineers' Society of Western Pennsylvania 1905, 286, https://babel.hathitrust.org/cgi/pt?id=mdp.39015075102403&view=1up&seq=19
Author William Clifford

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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:Sitting_a_horse.png

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current16:48, 21 April 2023Thumbnail for version as of 16:48, 21 April 2023679 × 639 (885 KB)Ttocserp (talk | contribs)Uploaded a work by William Clifford from Clifford W., "Outlines of Mine Ventilation", Proceedings of Engineers' Society of Western Pennsylvania 1905, 286, https://babel.hathitrust.org/cgi/pt?id=mdp.39015075102403&view=1up&seq=19 with UploadWizard

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