
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
circa 1910
1903
1903
1909-1910
1907
after 1903
1911
1913
1839 (original); circa 1988 (replica)
1907
1909
1904
1901
1910
1905
1914
1915
1910
1910
1915
1906
1915
1934
1902-1907
1913
1910
1904
1908
1909
circa 1905
1912
1903
1906-1915
1903
1904
2000-100 BCE
1901-1913
1901
1906
1902
1912
1910
1915
1904-1914
1901
1901
1902
1906