Replica of Bell's 1876 'iron-box' receiver, 1959
1876
1876
1875
1865
1870
1875
circa 1868
1875
1871
circa 1861
1875
1860
1861-1866
1865
1865-1866
1866
1865
1893-4
circa 1861
1860
1867
1867
1863-1865
1862
2000-100 BCE
1860-1877
1860-1877
1934
1867
1863-7
1877
1870-1875
1864
1872 (original); 1909 (model)
1955; 1830
1860-1877
1876
1872
1870s
circa 1871
1862
1860
1867-1868
1866-1870
1872
1869
1888
1860-1870
1875-1877
1860
1868