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> Engineering & mining journal 1909 magazine v 87, # 22
Engineering & mining journal 1909 magazine v 87, # 22
Engineering & Mining Journal 1909 Magazine V 87, # 22
Engineering & Mining Journal May 29th, 1909 Non Color Magazine V 87, # 22. 9 x 12 inches. Articles include "Calumet and Hecla Drill Sharpening Device"; "Pyrite Smelting by Knudsen Method in Norway"; and "The Mining and Milling in North Queensland." Front cover is missing a corner, and spine has two small tears, fair condition.
