Signed book: Father of Radio. First edition, later printing. Chicago: Wilcox & Follett Co., 1950. Hardcover with dustjacket, 6.25 x 9.5, 502 pages. Signed in fountain pen on the first free end page. In very good condition, with mild toning to signed page, scattered spotting to both covers, and scattered wear, edge tears, and creasing to dustjacket. RRAuction COA.