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Old Reliable: Technology's Mining System, Today
Bolivia
Bath room, wash house, Storr's mine
Warner News
Industrial History of the United States
Wood lagged drum, Henrietta Coal Mining Co.
Hoist carriage
Self contained link reversing geared engine, Lehigh & Wilkes-Barre Coal Company
Loomis Colliery
Link reversing geared hoist engine, Lehigh & Wilkes-Barre Coal Company
General plan of geared engine, Jamison Coal and Coke Company
Air compressor heads
Hoist engine, Lehigh Valley Coal Co.
Machinery and conveyor, Inkerman
Self contained electric hoist, Lehigh Valley Coal Company
Machinery and conveyor, Inkerman
Lehigh Valley Coal Co., #93
Geared hoisting engine, Tioga Coal Co.
Geared engine, Frick Coke Company
Christina Medulla Phosphate Mining Co., #8
Kailan Mining Admin #15, China
Kailan Mining Adm. #14, China
Pennsylvania Coal Company-Jermyn Green Coal Co. #17
Pennsylvania Coal Company-Jermyn Green Coal Co. #17
General plan, double inlet steel ventilating fan, Pennsylvania Coal Co., Wyoming, Pennsylvania,

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