Bell telephone, mahogany case, 1878
1878
1878
1882
1878
1884
1888
1885
circa 1880
1884
circa 1885
1934
1886
1884
2000-100 BCE
1879
1893-4
1879
1879
1872 (original); 1909 (model)
1955; 1830
circa 1885
1878-1879
1879
1886-1887
1886
1880
1882
1888
1878
1878
1880
1880
circa 1880
1775-1799 (original); 1900-1907 (model)
1879
1990-96
1884
1880
1934
1705-1737
1880
1879
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
4000-2001 BCE
1878
1885
1930 (replica); 1834 (original)
1879
circa 1880
1879