Methods of sampling and analyzing coal-mine dusts for incombustible content.

Creator Personal:
Owings, C. W. (Clarence Watson), 1894-, Greenwald, H. P. (Harold Putnam), 1893-, Selvig, W. A. (Walter Alfred), 1886-1972.
Title:
Methods of sampling and analyzing coal-mine dusts for incombustible content.
Call Number:
P19471
Date:
1940
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7113 (1940:July).

Subject Topical:
Coal dust--Sampling., Coal dust--Analysis.