
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
circa 1910
1903
1903
1909-1910
1907
after 1903
1911
1839 (original); circa 1988 (replica)
1913
1907
1909
1904
1901
1910
1905
1955; 1830
1914
1901
1914
1904-1914
1901
1906
1901
1902
1902
1906
1915
1910
1910
1902; 1913-1920
1903
1915
1906-1915
1903
1906-1916
1906
1904
1901
1915
1934
1901
1902-1907
1907
2000-100 BCE
1914
1901-1911
1901-1911
1901-1913