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