
Edison telephone, 1879
1879
1879
1878-1879
circa 1880
1830 (original); 1967 (model)
1875
1879
1801-1840 (original); 1901 (model)
1876
circa 1880
1878
1775-1799 (original); 1900-1907 (model)
1668; 1924
1610; 1923
1884
1879
1882
1875
1884
1877
1878
circa 1880
1875
1884
1876
1878
1893-4
1879
1884
1879
1955; 1830
1642-1649 (original); 1883 (model)
1880
1879
2000-100 BCE
1872 (original); 1909 (model)
1875
1934
1876
1877
1877
1772 (original); 1919 (model)
1880
1930 (replica); 1834 (original)
1884
1879
1839 (original); circa 1988 (replica)
1879
1888
1875-1877
1878