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Rotary Dump, Export Mine
1st mining machine air operated - Zig Bostic - Biddle Mine
Arcwall machine at Stonega Colliery
View of coal belt conveyor at Stonega Colliery
East Cooper hoist, Woodward mine
View showing the delivery end of an underground coal conveyor at Derby Colliery
Tipple and new loading boom at Arno
Centrifugal pumps, central water shaft
Wood lagged drum, Henrietta Coal Mining Co.
Self contained link reversing geared engine, Lehigh & Wilkes-Barre Coal Company
Link reversing geared hoist engine, Lehigh & Wilkes-Barre Coal Company
General plan of geared engine, Jamison Coal and Coke Company
Self contained electric hoist, Lehigh Valley Coal Company
Geared hoisting engine, Tioga Coal Co.
Geared engine, Frick Coke Company
Cast iron grooved drum
Conical drum
Conical grooved cast drum
Wood lagged drum, Pioneer Mining and Manufacturing Company
Wood lagged drum with lane friction, Parrish Coal Co.
Double inlet steel ventilating fan
Chain oiling water jacket pedestal for fan
Cast drum
Geared electric hoist, Lehigh Valley Coal Company

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