Edison telephone, 1879
1879
1879
1879
1876
1878
1879
1875
1877
1878
1872
1875
1872 (original); 1909 (model)
1955; 1830
1875
1872
1871
1878-1879
circa 1871
circa 1880
1934
1872-1880
2000-100 BCE
1876
1893-4
1879
1875
1877
1880
1705-1737
1872
1888
1880
1876
1878
1875-1877
1879
1879
1878
1930 (replica); 1834 (original)
1880
1880
circa 1880
1873
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1872
1871
1874
1871
1875