
Specimen of Dover-Calais telegraph cable, 1851
1851
1851
1899
1857-1858
1820-1860
1856
1863-7
1850-1900
1865-1866
1850-1900
1851
1885-1895
1840-1910
1850
1863
1910
1865
1850-1900
circa 1851
circa 1950
1965-1975
1890-1920
1901-1950
1801-1900
1850-1900
1858
1950-1965
1801-1900
1815-1855
circa 1851
1850-1900
1890-1920
1890-1930
1850-1900
1860-1890
1850-1860
1851-1862
1861
1865
1850-1900
1866
1848-1849
circa 1891
1910
1898-1902
1850
1850-1900
1850-1900
1850-1900