Replica of Bell's 1876 'iron-box' receiver, 1959
1876
1876
1878
1882
1855
1865
1870
1878
1875
circa 1868
1884
1875
1871
1885
circa 1861
circa 1880
1875
1884
1860
1861-1866
1865
circa 1885
1851
1865-1866
1851
1866
1872-1880
1858
1865
1858
1857-1858
1863-1865
1934
1877
1857-1870
circa 1871
1869
1886
1860
1884
1855-1860
2000-100 BCE
1879
1855
1860-1877
1856
1860-1877
1893-4
1870-1881
1867
1858