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A Continuous Mining Machine on display above ground.

1873. Continuous Mining Machine

A Joy Manufacturing Co. Continuous Mining Machine. ML 5196 DIO57.

1874. Joy Manufacturing Company Continuous Mining Machine

A Consolidation Coal Company Display showing the usefulness of coal and where it is formed. 'Judge' of Good Pictures, Industrial Photographers, 954 Liberty Ave, PGH. 22, PA. GR. 1-4288 AT. 1-3834. Reorder No. 35547-1.

1875. Consolidation Coal Company Display

A continuous mining machine sits above ground in the yard of Lee-Norse Company Warehouses.

1876. Continuous Mining Machine

A continuous miner, model 2BT-2 Twin Borer, sits on display.

1877. Continuous Mining Machine, Joy Manufacturing Company

An electric shuttle car sits in a warehouse yard.

1878. Electric Shuttle Car

Joy executives stand beside a continuous mining machine.

1879. Joy Manufacturing Company Executives Examine a Joy Continuous Mining Machine

1880. Manufacturer's Photo of a Coal Loading Machine

Coal loaders sit outside the Joy Manufacturing Factory.  Caption on photo reads, 'Mine equipment suppliers are busy turning out machinery for mechanical mining. For example, Joy Mfg. recently went on double shift operation to speed up production of mining machinery.'

1881. Joy Manufacturing Company Factory Building

Display of Consolidation Coal Company shows the different mining techniques throughout the century and beyond.

1882. Consol's Exhibit at Hornes Department Store, Pittsburgh, Pa.

Disco fuel company displays many ads that show how their fuel is smokeless and clean.  This is a product of Pittsburgh Consolidation Coal Co.

1883. Disco 'The Modern Smokeless Fuel' Display

In the display a mannequin 'appears to be breathing and snoring mumbles good things about the wonders of Disco.'

1884. Display Advertising 'Cozy Disco Heat'