Original vintage magazine ad, DIAMOND MACHINE COMPANY. Diamond Bit Sharpening Machine. Monongahela, PA. Cooke Wilson Electric Supply Co Pittsburgh, PA., Charleston, W. VA., Portable Lamp & Equipment Co., Bluefield, W. Va., Dugger, IN, Birmingham, AL, McAlester, OK. Canadian Representatives - Peacock Brothers, LTD - Montreal, Cobalt, Vancouver. Old 1928 dated mining tools and equipment advertisement. Would look sensational matted and framed!
Approximate size 9 x 12 inches.