F.
Submarine Telegraph Cables
Now in successful Working Order, the Insulated Wires for which were manufactured by the Gutta Percha Company, Patentees, Wharf Road, City Road, London.
| No. | Date when Laid. | From | To | No. of Conductors. | Length of Cable in Statute Miles. | Length of Insulated Wire in Statute Miles. | Depth of Water in Fathoms. | By whom Covered and Laid. | Length of time the Cables have been working. |
| 1 | 1851 | Dover | Calais | 4 | 27 | 108 | . | Wilkins & Wetherley, Newall & Co., Küper & Co., and Mr. Crampton. | 14 years |
| 2 | 1853 | Denmark, across the Belt | 3 | 18 | 54 | . | R. S. Newall & Co | 12 “ | |
| 3 | 1853 | Dover | Ostend | 6 | 80½ | 483 | . | Newall & Co., and Küper & Co. R. S. Newall & Co. | 12 “ |
| 4 | 1853 | Frith of Forth | 4 | 6 | 24 | . | 12 “ | ||
| 5 | 1853 | Portpatrick | Donaghadee | 6 | 25 | 150 | . | “ “ | 12 “ |
| 6 | 1853 | Across River Tay | 4 | 2 | 8 | . | “ “ | 12 “ | |
| 7 | 1854 | Portpatrick | Whitehead | 6 | 27 | 162 | . | “ “ | 11 “ |
| 8 | 1854 | Sweden | Denmark | 3 | 12 | 36 | 14 | Glass, Elliot, & Co. | 11 “ |
| 9 | 1854 | Italy | Corsica | 6 | 110 | 660 | 325 | “ “ | 11 “ |
| 10 | 1854 | Corsica | Sardinia | 6 | 10 | 60 | 20 | “ “ | 11 “ |
| 11 | 1855 | Egypt | 4 | 10 | 40 | . | “ “ | 10 “ | |
| 12 | 1855 | Italy | Sicily | 3 | 5 | 15 | 27 | “ “ | 10 “ |
| 13 | 1856 | Newfoundland | Cape Breton | 1 | 85 | 85 | 360 | “ “ | 9 “ |
| 14 | 1856 | Prince Edward’s Island | New Brunswick | 1 | 12 | 12 | 14 | “ “ | 9 “ |
| 15 | 1856 | Straight of Canso. | Cape Breton, N.S. | 3 | 1½ | 4½ | . | Nova Scotia Electric Telegraph Co. | 9 “ |
| 16 | 1857 | Norway. across Fiords | 1 | 49 | 49 | 300 | Glass, Elliot, & Co. | 8 “ | |
| 17 | 1857 | Across mouths of Danube | 1 | 3 | 3 | . | “ “ | 0 “ | |
| 18 | 1857 | Ceylon | {Mainland of India} | 1 | 30 | 30 | . | “ “ | 0 “ |
| 19 | 1858 | Italy | Sicily | 1 | 8 | 8 | 60 | “ “ | 7 “ |
| 20 | 1858 | England | Holland | 4 | 140 | 560 | 30 | “ “ | 7 “ |
| 21 | 1858 | Ditto | Hanover | 2 | 280 | 560 | 30 | “ “ | 7 “ |
| 22 | 1858 | Norway across | Fiords | 1 | 16 | 16 | 300 | “ “ | 7 “ |
| 23 | 1858 | South Australia | King’s Island | 1 | 140 | 140 | 45 | W. T. Henley | 7 “ |
| 24 | 1858 | Ceylon | India | 1 | 30 | 30 | 45 | “ “ | 7 “ |
| 25 | 1859 | Alexandria | 4 | 2 | 8 | . | Glass, Elliot, & Co. | 6 “ | |
| 26 | 1859 | England | Denmark | 3 | 368 | 1104 | 30 | “ “ | 6 “ |
| 27 | 1859 | Sweden | Gotland | 1 | 61 | 64 | 80 | “ “ | 6 “ |
| 28 | 1859 | Folkestone | Boulogne | 6 | 24 | 144 | 32 | “ “ | 6 “ |
| 29 | 1859 | Across rivers in India | 1 | 10 | 10 | . | “ “ | 6 “ | |
| 30 | 1859 | Malta | Sicily | 1 | 60 | 60 | 79 | “ “ | 6 “ |
| 31 | 1859 | England | Isle of Man | 1 | 36 | 36 | 30 | “ “ | 6 “ |
| 32 | 1859 | Suez | Jubal Island | 1 | 220 | 220 | . | R. S. Newall & Co. | 6 “ |
| 33 | 1859 | Jersey | Pirou, France | 1 | 21 | 21 | 15 | Glass, Elliot, & Co. | 5 “ |
| 34 | 1859 | Tasmania | Bass Straits | 1 | 240 | 240 | . | W. T. Henley | 5 “ |
| 35 | 1860 | Denmark | (Great Belt) (14 miles (14 miles | 6) 3) | 28 | 126 | 18 | “ “ | 5 “ |
| 36 | 1860 | Dacca | Pegu | 1 | 116 | 116 | . | “ “ | 5 “ |
| 37 | 1860 | Barcelona | Mahon | 1 | 180 | 180 | 1400 | “ “ | 5 “ |
| 38 | 1860 | Minorca | Majorca | 2 | 35 | 70 | 250 | “ “ | 5 “ |
| 39 | 1860 | Iviza | Majorca | 2 | 74 | 148 | 500 | “ “ | 5 “ |
| 40 | 1860 | St. Antonio | Iviza | 2 | 76 | 152 | 450 | “ “ | 5 “ |
| 41 | 1861 | Norway across | Fiords | 1 | 16 | 16 | 300 | Glass, Elliot, & Co. | 4 “ |
| 42 | 1861 | Toulon | Corsica | 1 | 195 | 195 | 1550 | “ “ | 4 “ |
| 43 | 1861 | Holyhead | Howth, Ireland | 1 | 64 | 64 | . | Electric & International Tel. Co. | 4 “ |
| 44 | 1861 | Malta | Alexandria | 1 | 1535 | 1535 | 420 | Glass, Elliot, & Co. | 3½ years |
| 45 | 1861 | Newhaven | Dieppe | 4 | 80 | 320 | W. T. Henley, laid | 4 “ | |
| 46 | 1862 | Pembroke | Wexford | 4 | 63 | 252 | 58 | Glass, Elliot, & Co. | 3¼ “ |
| 47 | 1862 | Frith of Forth | 4 | 6 | 24 | Electric & International Tel. Co. | 3 “ | ||
| 48 | 1862 | England | Holland | 4 | 130 | 520 | 30 | Glass, Elliot, & Co. | 2¾ “ |
| 49 | 1862 | Across River Tay | 4 | 2 | 8 | Electric & International Tel. Co. | 3 “ | ||
| 50 | 1863 | Sardinia | Sicily | 1 | 243 | 243 | 1200 | Glass, Elliot, & Co. | 2 “ |
| 51 | 1864 | Persian Gulf | 1 | 1450 | 1450 | 120 | W. T. Henley and Indian Government | 1 year | |
| 52 | 1864 | Otranto | Avlona | 1 | 60 | 60 | 569 | W. T. Henley | 9 mths. |
| 53 | 1865 | La Calle | Biserte | 1 | 97¼ | 97¼ | Siemens Brothers | 3 “ | |
| 54 | 1865 | Sweden | Prussia | 3 | 55 | 166 | W. T. Henley | 1 month | |
| 55 | 1865 | Biserte | Marsala | 1 | 164¾ | 164¾ | Siemens Brothers | 1 “ |
A great many Cables of short lengths, not included in this list, are now at work in various parts of the world; and other Cables, the Wires insulated by the Gutta Percha Company, have been laid by Messrs. Felten & Guilleaume, of Cologne, during the last eight years, amounting to over 1000 miles, and which are now in working order.