Edison telephone, 1879
1879
1879
1879
1878
1879
1878
1872 (original); 1909 (model)
1955; 1830
1878-1879
circa 1880
1934
2000-100 BCE
1893-4
1879
1880
1705-1737
1888
1880
1878
1879
1879
1878
1930 (replica); 1834 (original)
1880
1880
circa 1880
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1879
1990-96
1879
1934
1830 (original); 1967 (model)
1878
circa 1880
4000-2001 BCE
1880
10000-5000 BCE
1910-130
1880
1879
1880
1878
1713-1750
1880
before 1881
1880
1800-1830
1880
1880