Bell telephone, mahogany case, 1878
1878
1878
1877
1878
1872 (original); 1909 (model)
1955; 1830
1934
2000-100 BCE
1893-4
1877
1705-1737
1888
1878
1878
1930 (replica); 1834 (original)
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1990-96
1934
1830 (original); 1967 (model)
1878
4000-2001 BCE
10000-5000 BCE
1910-130
1878
1713-1750
1800-1830
1800-1830
1801-1850
before 1878
1801-1825
1692-1730
1878
1878
1940-1050
8500-2000 BCE
5000-500 BCE
1878-1867 (design)
2686-2613 BCE
2000 BCE
8500-2000 BCE
8500-2000 BCE
1877
1877
8500-2000 BCE
8500-2000 BCE
1889-02
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE