HISTORY. 
105 
Canning, and relaid after it had been repaired and in parts 
renewed. Although worn by the flow of the tides, which run 
so strongly in the Channel, the electrical condition of the cable 
was found to be perfect as regards three of the wires. The 
fourth wire was faulty, and it deteriorated so much that in 
1855 it could not be used. Fig. 40 shows a piece of this cable 
worn by the currents on the rocks near Dover, but the elec¬ 
trical condition of the section to which this piece belonged was 
perfect. From 1859 to the present time this cable has never 
lost the power of working, except in the few temporary inter¬ 
ruptions, when the cable was quickly repaired by the engineers 
of the u Submarine Telegraph Co.,” to whom it belongs. 
