A treatise on coal, mine-gases, and ventilation : with copies of researches on the gases enclosed in coal / by J.W. Thomas.
- Thomas, Joseph William.
- Date:
- 1878
Licence: Public Domain Mark
Credit: A treatise on coal, mine-gases, and ventilation : with copies of researches on the gases enclosed in coal / by J.W. Thomas. Source: Wellcome Collection.
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