Ignition of Natural Gas-air Mixtures by Heated Surfaces Paul G. Guest Published: 1930 Total Pages: 68 Get eBook
Frictional Ignition of Natural Gas-air Mixtures by Alternative Coal-cutter Bit Shank Materials L. Garner McDonald Published: 1992 Total Pages: 24 Get eBook
Investigation of Simon & Coles Manganese Deposit Bedford County, Pa W. H. Kerns Published: 1948 Total Pages: 194 Get eBook
Bibliography of Bureau of Mines Publications Dealing with Health and Safety in the Mineral and Allied Industries United States. Bureau of Mines Published: 1946 Total Pages: 202 Get eBook
Bibliography of Bureau of Mines Health and Safety Publications United States. Bureau of Mines Published: 1947 Total Pages: 106 Get eBook
Bibliography of Bureau of Mines Health and Safety Publications Hiram Brown Humphrey Published: 1956 Total Pages: 104 Get eBook
