
Strowger automatic telephone, 1901-1910
1901-1910
1901-1910
1905
1934
1935
circa 1910
1903
1918
1903
1936
1935
1918-1920
1942
1919
circa 1919
1901-1930
1907
1920-1930
1909-1910
after 1903
1901-1930
1915-1918
1920-1940
1945
1901-1930
1920-1925
1914-1918
circa 1900
1936
1921-1930
1911
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1925-1935
1915-1925
1943
1915-1918
1936
1907
1940
1913
1940-1945
circa 1939
1935-1945
1909
1926
1943
1904
1901
1914-1920
circa 1900