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Primary view of Harrow
Owens, James Powell
August 20, 1913
Primary view of Crude-Oil Burner.
Hudgens, John Albert
August 7, 1917
Primary view of Internal-Combustion Steam-Generator
Sands, George H.
August 11, 1914
Primary view of Cotton-Seed Flour and Process of Making the Same.
Baumgarten, Gustav Adolph
August 20, 1918
Primary view of Converter and Smelter.
Miller, Theodore
August 26, 1919
Primary view of Continuous Vacuum Dehydrator.
Biesel, Charles
August 20, 1918
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