This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kinnaird Commission The Condition of all Mines in Great Britain Page .jpeg Kinnaird Commission The Condition of all Mines in Great Britain Eyre and Spottiswoode Page plate entitled Stemples The original from which this has been scanned is in the North of England Institute of Mining and Mechanical Engineers It is reference Tracts