Further Developments in Wireless Telegraphy

Abstract

SINCE the article which appeared in NATURE last week was written, some further details concerning Mr. Marconi's Transatlantic signalling have been published, and also another success attained by the inventor has been announced. The information with reference to the latter point is contained in a telegram from the New York correspondent of the Daily Telegraph, which appeared in that paper on Monday last. Messages, it seems, were transmitted from Poldhu to the Philadelphia, whilst that ship, on board of which was Mr. Marconi, was on her way from this country to New York. Five messages in all were received, the first when the Philadelphia was at a distance of 250 miles from the Lizard, and the last on February 25, when the distance had been increased to 1551 miles. In addition, a signal of the much-talked-of letter “S” was received at a distance of 2099 miles. The news is confirmed by the following telegram from Mr. Marconi, which is contained in a letter from the Wireless Telegraph Co. to Wednesday's Times:—