"Langmuir" Quotes from Famous Books
... without the use of wires. Wireless, or radio, telegraphy was the invention of a nineteen-year-old boy, Guglielmo Marconi, an Italian; but it has been greatly extended and developed at the hands of four Americans: Fessenden, Alexanderson, Langmuir, and Lee De Forest. It was De Forest's invention that made possible transcontinental and transatlantic telephone service, ... — The Age of Invention - A Chronicle of Mechanical Conquest, Book, 37 in The - Chronicles of America Series • Holland Thompson |