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The Weekly Northwestern Miller (July 1, 1892)
The Mechanical Index (1904)
Mining & Scientific Press (July 1, 1911)
The Engineering Catalogues of Power-Plant Equipment (1913)
The Engineering Catalogues of Power-Plant Equipment (1913)
Company profile from the 1916 edition of Condensed Catalogues of Mechanical Equipment
The Iron Age (Dec. 27, 1917)
The Iron Age (April 24, 1919)