Call Number (LC) Title Results
I 28.23:2948 Crushing resistance of minerals / 1
I 28.23:2949 The relation of table feed preparation to table efficiency / 1
I 28.23:2950 The role of stratification in the separation of coal and refuse on a coal-washing table / 1
I 28.23:2951 A method for the sizing of ore by elutriation / 1
I 28.23:2951-2969,2971-2975 Official changes in the active list of permissible explosives and blasting devices for September, 1929. 1
I 28.23:2952 Efficiency of grinding mills / 1
I 28.23:2953 Official changes in the active list of permissible explosives and blasting devices for August, 1929 / 1
I 28.23:2954 Smelting in the lead blast furnace : I. a method for approximating the form of the lead in slag and other products of the lead blast furnace / 1
I 28.23:2955 Some important factors in sponge-iron production / 1
I 28.23:2956 Review of fatalities in the California petroleum industry during the calendar year 1928 / 1
I 28.23:2957 Smelting in the lead blast furnace : II. the gases from the top of the lead blast furnace / 1
I 28.23:2958 Official changes in the active list of permissible explosives and blasting devices for September, 1929. 1
I 28.23:2959 Twentieth Semi-Annual Motor Gasoline Survey / 1
I 28.23:2960 Temperatures for rapid self-heating of powdered coal and the semicoke made therefrom / 1
I 28.23:2961 A preliminary investigation of rubber-sheathed, parallel duplex-type cables for mining machines / 1
I 28.23:2962 Official changes in the active list of permissible explosives and blasting devices for October, 1929. 1
I 28.23:2963 Smelting in the lead blast furnace : III. rate of descent of stock columan and formation of accretions / 1
I 28.23:2964 Survey of fuel consumption at refineries in 1928 / 1
I 28.23:2965 Smelting in the lead blast furnace : IV. composition and temperature of the gases at the Tuyer̀e Zone / 1
I 28.23:2966 Smelting in the lead blast furnace : V. effect of conditions at various Tuyer̀es on the form of lead and composition of the slag / 1