41. The raiders continued to sever the telegraph wires , but they were unable to burn bridges or damage Tunnel Hill. 42. Sultan panicked, and local authorities act against them as they were cutting telegraph wires , bombing the odd government buildings. 43. The system was now made up of over 150 Fire Alarm Boxes and over 100 miles of telegraph wire . 44. In 1849, Smith superintended the manufacture and laying of 30 miles of underwater telegraph wire from Dover to Calais. 45. A man flying in the first event lost control of his plane and was snared by a telegraph wire . 46. However, the wiretap was discovered when a German soldier overheard a housekeeper accuse Juliette Dodu of tapping the telegraph wires . 47. The " Musical Telegraph " used steel reeds whose oscillations were created by electromagnets and transmitted over a telegraph wire . 48. It originated in the telegraph age when telecommunication consisted only of short messages transmitted by hand over the telegraph wire . 49. Theft of telegraph wires or ambuscades of American patrols resulted in the nearest villages being burned and the inhabitants killed. 50. The rampage was spontaneous but also calculated : telephone and telegraph wires were cut and trains blockaded to prevent outside interference.