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Turn-of-the-Century Coal Mining Machinery
Undercutting Coal Seams
From
Cassier's Magazine
in 1901
The "Harrison machine" from
Cassier's Magazine
in 1902
The "Harrison Pick Machine" from
Cassier's Magazine
in 1902
A Pick Machine from
Cassier's Magazine
in 1902
A Pick Machine from
Cassier's Magazine
in 1902
Morgan-Stanley Electric Chain Cutter from
Cassier's Magazine
in 1902
Jeffrey Manufacturing (Columbus, Ohio) Electric Chain Machine from
Cassier's Magazine
in 1902
Punching Coal Seams
Drilling Coal Seams
Applying Electricity to Mining
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