Search U.S. government technical reports digitized or harvested by TRAIL.
Constancy of B. t. u. value of "pure" coal
The various B.T.U. values of a coal
Pointers on the storage of coal
Tests of bituminous-anthracite mixtures, on industrial stokers
Questions and answers on propane and butane fuels
The National Fuel Efficiency Program During the War Years, 1943-45