
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
circa 1910
1903
1918
1903
1918-1920
1919
1909-1910
circa 1919
1907
1915-1918
1899-1919
1914-1918
after 1903
1911
circa 1900
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1913
1915-1918
1907
1909
1904
1920
1910-1920
1901
1914-1920
circa 1900
1914-1918
1910
1900
1899
1905
1955; 1830
1915-1917
1898-1900
1914
1907-1920
1914-1918
1901
1918
1916-1917
1900-1910
1900
1914
1914-1918
1898
1904-1914
1901