Engineering Wonders of the World
Volume I

År: 1945

Serie: Engineering Wonders of the World

Sider: 448

UDK: 600 Eng -gl.

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366 ENGINEERING WONDERS OF THE WORLD. of the cable, and render it more capable of supporting its own weight in deep water. With recent improvements in manufacture, this type of cable was found to bear a stress of eight tons and to suspend eleven miles of itself. It was, indeed, at that time generally considered to meet all the various requirements in the best possible way. The shore ends had a further outer sheathing of twelve strands, each strand containing three stout The apparatus adopted for laying the cable was generally similar to that previously used in 1858, and was installed on board by the famous firm of engineers, Messrs. John Penn and Sons. As it was not possible to moor so large a vessel as the Great Eastern off the works, the cable was cut into lengths as fast as made, and coiled on two pontoons, whence it was transferred to the big ship. Fig. 9.—S.S. “VGREAT EASTERN.” galvanized iron wires of No. 2 B.W.G., bringing the weight up to twenty tons per mile. It happened that the Great Eastern (the conception of one of our greatest engineers, Isambard Kingdom Brunel) had just been completed. This enormous craft of 22,000 tons was eagerly secured for laying the cable in a single length, thereby avoiding one of the many disadvantages under The Great the first Atlantic cable Eastern been placed. This was, secured. r ’ indeed, the first piece of really useful work she (the Great Eastern) was destined to perform. As soon as all the cable had been shipped, the Great Eastern, under the command of Captain (later Sir James) Anderson,* left the Thames on July 23rd, 1865, with a total dead weight of 21,000 tons, and proceeded to Foilhommerum Laying Bay, Valencia. Here she joined up her cable to the shore end, landed the day previously by a small vessel, s.s. Caroline. The great ship then started laying the line towards Newfoundland, escorted by two Brit- ish men-of-war, the Terrible and the Sphinx. On behalf of the contractors, Mr. (afterwards * Afterwards the able managing director of tho “ Eastern ” and Associated Telegraph Companies.