BUY PRINT    June 1924. Washington, D.C. "Carl W. Mitman, Curator of Engineering, U.S. National Museum [Smithsonian Institution], holding what is believed to be the first radio tube, made in 1898 by D. McFarlan Moore of New York. Radio waves emanating from this tube ignited a bomb a city block away and blew up a miniature of the Battleship Maine." Harris & Ewing glass plate. | Click image for Comments. | Home