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Show CSW S MILESTONES IN CAREER OF MARCONI. - I First demonstrated wireless system In Italy; then sent messages across Salisbury Plain, In England; then from Bournemouth to Alum bay, eight- een miles, in 1897. . . ' . - First messages across the English channel he sent In March, 1899, at distances ranging from twenty-eight to thirty-two miles; communicated also forty-two miles from a French war vessel. ( , ' In August, 1S99, his triumphs wefe the feature of the British naval maneuvers, war messages being transmitted from twenty to thirty miles through a dark fog. - .' ' Marconi's first success In this country was to establish communication with Navesink Highlands, from the Ponce, In North river, convincing the naval men. 1 0 0 . |