Category:A catechism on the combustion of coal and the prevention of smoke: a practical treatise (1900)
Media in category "A catechism on the combustion of coal and the prevention of smoke: a practical treatise (1900)"
The following 9 files are in this category, out of 9 total.
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A catechism on the combustion of coal and the prevention of smoke; a practical treatise by William M. Barr.djvu 2,380 × 3,645, 370 pages; 16.23 MB