
100 Years of Progress, 1835-1935
1935
1935
1919
1935
1920-1925
1917
1934
1952-3
1907
1830 (original); 1967 (model)
1915-1925
1918-1920
1920
1936
circa 1915
1925-1935
c.1912
1934
1913
1925-1926
1920
1910-1920
1935
1928
1910
1922
1932
1955; 1830
1914
1920-1930
1934
1937
1931
1927
1906
1937
1930
circa 1930
1910
1920-1925
1917
1910
1907-1917
1925
1907-1917
1907-1917
1928
1924
1935
1927
1915