Call Number (LC) Title Results
I 28.23:3497 Permissible electrically operated pumps / 1
I 28.23:3498 Hydrogenation and petrography of some low-rank coals from the western United States / 1
I 28.23:3499 Combustibility of coke in air / 1
I 28.23:3500 Progress reports--Metallurgical Division. 1
I 28.23:3500-3524 Progress reports--Metallurgical Division. 1
I 28.23:3501 Annual report of the Petroleum and Natural-gas Division : fiscal year 1939 / 1
I 28.23:3502 Time-study analyses : progress report. 1
I 28.23:3503 A polarizing comparison-microscope for use in petrographic measurements / 1
I 28.23:3504 Phenomena observed during prolonged oxidation of anthracite / 1
I 28.23:3505 Relationship of ash-fusion temperatures of coal and coke / 1
I 28.23:3506 Studies of roof movement in coal mines. 1
I 28.23:3507 Gaseous products from explosives. 1
I 28.23:3508 Diesel engines underground : I. Composition of exhaust gas from engines in proper mechanical condition / 1
I 28.23:3509 Stemming in metal mines. 1
I 28.23:3510 Cushioned blasting. 1
I 28.23:3511 Explosive properties of cyclopropane : prevention of explosions by dilution with inert gases / 1
I 28.23:3512 Contributions to the art of smelting lead products / 1
I 28.23:3513 Concentration of manganosiderite ore from Leadville, Colo. / 1
I 28.23:3514 Equilibrium cell for investigating properties of fluids from petroleum and natural-gas reservoirs : with a section on hypothetical phase relations of natural hydrocarbon mixtures / 1
I 28.23:3515 Progress reports--Metallurgical Division. 1