Original vintage mining magazine ad for TECHNICAL SUPPLY COMPANY of Scranton, PA.  Three Indispensable Books for Mining Men.  The Cost of Mining by James Finlay, Principles of Mining  by H. C. Hoover, and Timbering and Mining by W. H. Storms are listed.  Also listed as Good Ones are Mine Timbering by Sanders, Parlee, MacDonald, Underground Surveying by L. W. Trumbull, E. M., Economics of Mining by T. A. Rickard, Mining, Mineral and Geological Law by Charles H. Shamel, Simple Mine Accounting by David Wallace, Report Book for Mining Engineers by A. G. Charleton.  Old 1910 coal mining industry advertisement.   Would display beautifully matted and framed!