
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
1897
circa 1910
1903
1918
1903
1919
1918-1920
1897-1898
1895-1904
1909-1910
circa 1919
1907
after 1903
1895
circa 1897
1914-1918
1911
1897
circa 1900
1915-1918
1899-1919
1907
1913
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1915-1918
1909
1904
1901
1914-1920
circa 1900
1910
1900
1899
1905
1914
1895
1896
1907-1920
1900
1915
1910
1917
1910
1915
1896
1906
1915