Replica of Bell's 1876 'iron-box' receiver, 1959
1876
1876
1878
1865
1870
1878
1875
circa 1868
1875
1871
circa 1861
circa 1880
1875
1861-1866
1865
1865-1866
1866
1872-1880
1865
1863-1865
1934
1877
circa 1871
1869
2000-100 BCE
1879
1893-4
1867
1879
1863-7
1867-1868
1866-1870
1870-1875
1872
1864
1879
1872 (original); 1909 (model)
1955; 1830
1876
1878-1879
1870-1880
1870s
1870-1880
1870-1880
1879
1862
1862
1875
1867
1867
circa 1861