A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Methods of sampling and analyzing coal-mine dusts for incombustible content
In Information Circular n 7109, it is recommended that after rock dusting any part of coal mine, samples of dust for analysis should be taken from floor, ribs, roof, and timbers at suitable intervals; present paper gives details of methods of such sampling and analysis. (see also Iron and Coal Trades Rev v 141 n 3785 Sept 13 1940 p 263-4; Colliery Guardian v 161 n 4161 Sept 27 1940 p 303-6)
Methods of sampling and analyzing coal-mine dusts for incombustible content
In Information Circular n 7109, it is recommended that after rock dusting any part of coal mine, samples of dust for analysis should be taken from floor, ribs, roof, and timbers at suitable intervals; present paper gives details of methods of such sampling and analysis. (see also Iron and Coal Trades Rev v 141 n 3785 Sept 13 1940 p 263-4; Colliery Guardian v 161 n 4161 Sept 27 1940 p 303-6)
Methods of sampling and analyzing coal-mine dusts for incombustible content
U S Bur Mines -- Information Cir
Owings, C.W. (author) / Selvig, W.A. (author) / Greenwald, H.P. (author)
1940
12 pages
Supp plates
Report
English
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