. The spontaneous combustion of coal . U OF I S. 5 FORM 3 -58-. L). OF (. S S. FORM 3 -59-BIBLIOGRAPHY. (1) American Gas Light Journal, June 22, 1908. (2) Mineral Industry 1907. (3) Chemical Engineering, June 1906. (4) Engineering Hews, July 21, 1904, page 68. (5) Dingler*s Polytechnic Journal, Vol. 175, page 156. (6) Zeitschrift fur Berg, Hiltten, und Salienwesen im preussischen Staate. Band IX und X. (7) London Journal of Arts, June 1865, page Poly. Journal, 1865, Vol. 178, page 161. (8) The Gas World, April 13, 1901. (9) Same as (6). (10) Transactions of the American Institute


. The spontaneous combustion of coal . U OF I S. 5 FORM 3 -58-. L). OF (. S S. FORM 3 -59-BIBLIOGRAPHY. (1) American Gas Light Journal, June 22, 1908. (2) Mineral Industry 1907. (3) Chemical Engineering, June 1906. (4) Engineering Hews, July 21, 1904, page 68. (5) Dingler*s Polytechnic Journal, Vol. 175, page 156. (6) Zeitschrift fur Berg, Hiltten, und Salienwesen im preussischen Staate. Band IX und X. (7) London Journal of Arts, June 1865, page Poly. Journal, 1865, Vol. 178, page 161. (8) The Gas World, April 13, 1901. (9) Same as (6). (10) Transactions of the American Institute of Mining Engineers, Vol. 8, page der Steinkolen Deutschlands, Vol. II, page (11) The Gas World, April 13, 1901. Dingiers Poly. Journal, Vol. 190, page 398. Vol. 195, page 195, page 193, page 193, page 264. (12) Same as (8). (13) Same as (8). (14) Same as (8). (15) The Journal of Gas Lighting, Vol. 55, page 645. The Journal of the Society of Chemical Industry, ,, (16) The Journal of Gas Lighting 1906, pag


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