
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
circa 1910
1903
1918
1903
1919
1918-1920
1920-1930
1909-1910
circa 1919
1901-1930
1907
after 1903
1914-1918
1921-1930
1911
1920-1925
1901-1930
1915-1918
1901-1930
1907
1913
1839 (original); circa 1988 (replica)
1915-1925
1915-1918
1909
1926
1904
1901
1914-1920
1920-1929
1910
1905
1914
1907-1920
1913-1923
1930
1915
1910
1920-1925
1917
1910
1901-1930
1925
1928
1915
1921
1906
1915