Marconi, Guglielmo

—Born 1874. An 3 Italian electrician; the first to sue ce fully apply the principle of the Hertzian waves to telegraphy in the invention of the Mar-;K coni system of wirele telegraphy (1895). 4 In 1899 he established wirele communicak tion between France and England acro the English Channel; in 1901 transmitted signals acro the Atlantic from Cornwall to Newfoundland, a distance of 2100 miles; in 1902 established communication between Canada and England, and a few weeks later between Cape Cod and Cornwall; and established transatlantic wirele service for public use in 1907. His system is used by the principal shipping companies in America and abroad and in the British and Italian navies. [ Ta