Search U.S. government technical reports digitized or harvested by TRAIL.
Tests of a heat pump for domestic heating and cooling / by E.P. Carman.
Bibliography of Bureau of Mines Investigations of Coal and its Products, 1945 to 1950
Research and technologic work on coal and related investigations :1954
Report of Bureau of Mines research and technologic work on coal and related investigations, 1955
Combustion of Solid Fuels in Thin Beds
Bibliography of Bureau of Mines investigations of coal and its products, 1950 to 1955