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Preparation and Uses of Tar and its Simple Crude Derivatives
Technical paper issued by the Bureau of Mines over studies of coal tars. As stated in the introduction, "this paper discusses the uses to which some of the various tars are put and shows briefly the usual methods of working up tar into some of its simple or easily prepared derivatives, for which a market can generally be found" (p. 5). This paper includes tables, illustrations, and photographs.
Date:
February 1922
Creator:
Odell, W. W.
System:
The UNT Digital Library