Call Number (LC) Title Results
EBD C22.12-3104 Overheating of rubber-sheathed trailing cables 1
EBD C22.12-3105 Flotation of low-grade phosphate ores 1
EBD C22.12-3106 Leaching oxidized copper ores effect of strength of acid in leaching solvent. 1
EBD C22.12-3107 Practical method of solving emergency manganese problem 1
EBD C22.12-3109 Gases in manholes survey of utility in Boston, Mass. 1
EBD C22.12-3110 Study of falls of roof and coal in mines of Harrison County, W. Va 1
EBD C22.12-3111 Effect of certain operating variables on efficiency of coal-washing table 1
EBD C22.12-3112 Flotation reagents ... 1
EBD C22.12-3113 Roof support in coal mines in Irwin, Greensburg, and Latrobe basins, Westmoreland County, Pa 1
EBD C22.12-3114 Some experimental data on influence of dry and wet cleaning on coke properties and on gas and by-product yields of Pittsburgh and Mary Lee coals 1
EBD C22.12-3117 Cooperative research between U.S. Bureau of Mines and Safety in Mines Research Board 1
EBD C22.12-3118 Explosive shattering of minerals as substitute for crushing preparatory to ore dressing 1
EBD C22.12-3119 Acidity of several Pennsylvania streams during low water 1
EBD C22.12-3120 Determination of magnetite in copper slags 1
EBD C22.12-3121 Comparison of storage-battery and cable-reel gathering locomotives in West Virginia coal-mine 1
EBD C22.12-3122 Tests on brick kilns fired with stoker 1
EBD C22.12-3127 Novel method of ventilating Pennsylvania coal mine 1
EBD C22.12-3128 Hydrogen-sulphide content of gas in some producing oil fields 1
EBD C22.12-3130 Properties of typical crude oils from East Texas field 1
EBD C22.12-3131 Use of aluminum for oil lease tanks 1