
Edison telephone, 1879
1879
1879
1903
1936
1901-1930
1935
1920-1925
1934
1918-1920
1919
1877-1897
1900-1910
1905
1895-1904
1839 (original); circa 1988 (replica)
1923
1934
1897-1898
1885
1952-3
1917
1875
1880-1920
circa 1900
1900-1910
1880-1925
1880-1920
1900-1910
1890-1930
c.1912
1907
1900-1920
1879-1896
1907
1913
1880-1900
1889
1915-1925
1066; 1876
1903
1888
1878-1879
1937
1902
1937
1930
circa 1930
1910
1920-1925
1917
1910