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1 to 24 of 49 results for "hans t. clarke"
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Transparency
John G. Capstaff
ca. 1914-1917
1984.0068.0026
Transparency
John G. Capstaff
ca. 1914-1917
1984.0068.0037
Cast of Out of the Fog
Photograph
Unidentified
1922
2009.0519.0001
Thanksgiving Dinner, Kodak Park Lunch Club
Photograph
William F. Folmer
November 27, 1918
1969.0174.0020
Joseph Thacher Clarke and his family
Photograph
Joseph Thacher Clarke
ca. 1905
1998.0425.0001
Joseph Thacher Clarke with sons (Eric and Hans)
Photograph
Joseph Thacher Clarke
ca. 1905
1998.0428.0001
Patent - Light filter
Documentary
Dr. Hans T. Clarke
1919/02/04
1997.1929.0001
Patent -  Cellulose Ester composition
Documentary
Dr. Hans T. Clarke
1919/07/15
1997.1930.0001
Patent - Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
1919/07/15
1997.1931.0001
Patent - Cellulose ester composition
Documentary
Dr. Hans T. Clarke
1921/03/08
1997.1934.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
1921/11/01
1997.1963.0001
Patent - Cellulose ester composition
Documentary
Dr. Hans T. Clarke
1921/11/21
1997.1964.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
1922/02/07
1997.1965.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
1922/02/07
1997.1966.0001
Patent - Process of manufacturing acetyl monomethyl aryl amines
Documentary
Dr. Hans T. Clarke
1922/04/04
1997.1967.0001
Patent - Process of manufacturing certain acetyl methyl amines.
Documentary
Dr. Hans T. Clarke
1922/11/07
1997.1968.0001
Patent - Nitrocellulose composition
Documentary
Dr. Hans T. Clarke
1923/02/06
1997.1969.0001
Patent - Cellulose acetate composition
Documentary
Dr. Hans T. Clarke
1925/08/11
1997.1970.0001
Patent - Cellulose esters cont. nitro grps & halogen-subst.acyl grps.
Documentary
Dr. Hans T. Clarke
1928/11/6
1997.1999.0001
Patent - Process of making cellulose aceto esters cont. acyl grps.
Documentary
Carl J. Malm
1929/01/08
1997.2000.0001
Patent - Process of making cellulosic esters cont. fatty acid grps.
Documentary
Dr. Hans T. Clarke
1929/01/08
1997.2001.0001
Patent - Method of making 2:4-Dimethyl-6-Ethoxyquinoline.
Documentary
E. R. Taylor
1929/02/05
1997.2002.0001
Patent - Mixed cellulose organic esters & process for making
Documentary
Dr. Hans T. Clarke
1929/03/05
1997.2003.0001
Patent - Soluble halogen-substituted cellulosic organic acid esters.
Documentary
Carl J. Malm
1929/03/05
1997.2004.0001
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