
Wheatstone automatic tape transmitter, 1840-1860
1840-1860
1840-1860
1837
1844
1835-1845
1863-7
1850
1851
1852
1830
1870-1877
1879
1840
1849
1880
1831-1870
2000-100 BCE
1861-1866
1870-1880
1864
1875-1885
1876
1831-1870
1857-1870
1833
1831-1870
1838-1870
1872 (original); 1909 (model)
1835-1870
1860-1877
1860-1877
1860-1877
1875
1860-1880
1839-1887
1835
1836
1886
1862
1837
1884
1855
1882
1840
1842
circa 1885
1870
1888
circa 1868
1838
1845