Italian physicist and inventor (1874-1937) who devoted his life to experiments in wireless communication, and was awarded the Nobel Prize in 1909. ALS signed “G. Marconi,” one page, 5 x 8, Marconi's Wireless Telegraph Company letterhead, August 13, 1908. In full: "With reference to your letter of the 11th inst in reply to our Advert in the Morning Post I shall be glad if you will call at this office on Monday the 17th inst at 5 pm." An unknown hand has struck through the recipient's name in the lower left. In fine condition, with a couple of notations made by Marconi on the reverse lightly showing through to the front.
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