Replica of Bell's 1876 'iron-box' receiver, 1959
1876
1876
1870
1875
1875
1871
1875
1934
circa 1871
1869
2000-100 BCE
1893-4
1870-1875
1872
1872 (original); 1909 (model)
1955; 1830
1876
1870s
1875
1872
1888
1870
1775-1799 (original); 1900-1907 (model)
1874
1869
1990-96
1870
1872
1873
1870
1874
1872
1934
1873
1876
1705-1737
1870-1877
1872
1870-1875
1870
1870-1875
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1871
4000-2001 BCE
1875
1871
1930 (replica); 1834 (original)
1830 (original); 1967 (model)
1876
1870-1875