
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
1897
circa 1910
1903
1903
1897-1898
1895-1904
1909-1910
1907
after 1903
1895
circa 1897
1897
circa 1900
1907
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1909
1904
1901
circa 1900
1910
1900
1899
1905
1895
1896
1900
1910
1910
1896
1906
1934
1902-1907
1898-1908
1910
1904
1908
1909
circa 1905
1896
1901
1898
1906
1901
1902
1896
1902; 1913-1920
1901