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U.S. Government - Public Domain
Jean Friedel - CC BY-SA 3.0
ElectronRenegade - CC BY-SA 3.0
Westinghouse Electric -
Max Fenichel - Public Domain
unknown - Public Domain
Sir Stephen Glynne - Public Domain
Amarjith Mohan - CC BY-SA 4.0
film screenshot (20th Century Fox) - Public Domain
Harry Miller Lydenberg - Public Domain
Cheryl Gorski - CC BY-SA 3.0
Shortt, Adam, 1859-1931 - Public Domain
Jhowey - CC BY-SA 3.0
Unknown - Public Domain
Tylomike - Public Domain
Seattle Municipal Archives - CC BY 2.0
original uploader - Public Domain
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Eder, Josef Maria, 1855-1944
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U.S. Government - Public Domain
Day, George E.
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Jean Friedel - CC BY-SA 3.0
Duvernoy, G. L. (George Louis), 1777-1855
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ElectronRenegade - CC BY-SA 3.0
Jones, Emil, 1935-
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Westinghouse Electric -
Daché, Lily
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Max Fenichel - Public Domain
Graff, K. (Kasimir), 1878-1950
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Lang, Viktor von 1838-1921
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Shriver, Garner E., 1912-1998
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unknown - Public Domain
Tanaka, Fujimaro, 1845 or 1846-1909
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Sir Stephen Glynne - Public Domain
Glynne, Stephen Richard, Sir, 1807-1874
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Walsh, James J. (James Joseph), 1865-1942
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Amarjith Mohan - CC BY-SA 4.0
Hariharan, Githa, 1954-....
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film screenshot (20th Century Fox) - Public Domain
Borchers, Cornell, 1925-
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McDougald, Gil, 1928-2010
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Grimm, Friedrich Melchior, Freiherr von, 1723-1807
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Debré, Olivier, 1920-1999
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Harry Miller Lydenberg - Public Domain
Moore, George Henry, 1823-1892
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Cheryl Gorski - CC BY-SA 3.0
Falletta, Joann
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Shortt, Adam, 1859-1931 - Public Domain
Garneau, F.-X. (François-Xavier), 1809-1866
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LL Cool J, 1968-
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Jhowey - CC BY-SA 3.0
Howey, John
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Unknown - Public Domain
Drake, J. Madison (James Madison), 1837-1913
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Reutter, Otto, 1870-1931
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Laurel, Stan
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Knabb, Ken
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Tylomike - Public Domain
Sternberg, Charles H. (Charles Hazelius), 1850-
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Séailles, Gabriel, 1852-1922
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unknown - Public Domain
Unger, Georg 1837-1887
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Seattle Municipal Archives - CC BY 2.0
Braman, James D'Orma, 1901-1980
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original uploader - Public Domain
Genina, Augusto, 1892-1957