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Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive

Description: Report issued by the Bureau of Mines over experiments conducted on coal-dust explosions. The results of the experiments are presented and discussed. This report includes tables, illustrations, and photographs.
Date: June 1922
Creator: Rice, George S.; Jones, Lewis M.; Egy, Willard Leo & Greenwald, H. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Cloche

Description: Cloche hat of lace and velvet. The deep, domed crown is of peach satin (?) overlaid with a silver metallic lace. At the front of the crown are applied leaf shapes of dark pink velvet that form a fan-motif. The lowest leaves on each side extend to become a shallow brim for the hat, also formed of the dark pink velvet. The leaves and the brim are quilted with metallic silver stitching. The hat is lined in pink satin(?). Label sewn inside crown: "Pittsburgh / Character Hats / New York / Trad… more
Date: 1925
Item Type: Refine your search to only Physical Object
Partner: UNT College of Visual Arts + Design
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Stone Dusting or Rock Dusting to Prevent Coal-Dust Explosions, as Practiced in Great Britain and France

Description: From Introduction: "Coal dust as an agent of widespread explosions had been under suspicion, and watering to allay the dust was recommended by some mining engineers but the watering of coal-mine dust was adopted in comparatively few mines of the United States and Great Britain, and had not been introduced widely in any country except Germany. Rock dusting, another method of preventing explosions of coal dust, was early tested with success by the Bureau of Mines in its first gallery at Pittsburg… more
Date: 1924
Creator: Rice, George S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sources of Limestone, Gypsum, and Anhydrite for Dusting Coal Mines to Prevent Explosions

Description: From Preface: "The writer began testing the rock-dusting method for the Bureau of Mines at the Pittsburgh gallery in 1909, and later continued such testing in the bureau's experimental mine, with favorable results. Beginning in 1911 the bureau issued reports recommending rock dusting as alternative to watering."
Date: 1925
Creator: Bowles, Oliver
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analyses of Samples of Delivered Coal: Collected from July 1, 1915 to January 1, 1922, with a Chapter on the Tidewater Pool Classifications

Description: From Introduction: "The analyses given in this bulletin are of samples of delivered coal. This bulletin gives the results of analyses of samples delivered coal collected from July 1, 1915 to January 1, 1922."
Date: 1923
Creator: Snyder, Ned H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mining and Preparing Domestic Graphite for Crucible Use

Description: From Prefactory Statement: "In this bulletin are presented the results obtained in the first two phases of the work outlined above. The bulletin is in two parts. The first part describes the methods of mining and milling used, suggests a standard method of sampling finished graphite, and describes a rapid and convenient method of analysis developed at the Pittsburgh station of the Bureau of Mines, to which has been assigned the analytical and microscopic work. The second part describes experime… more
Date: 1920
Creator: Dub, George D. & Moses, Frederick G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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