(034680) Weightman, Gavin. Signor Marconi's Magic Box: How An Amateur Inventor Defied Scientists And Began The Radio Revolution. London, England: HarperCollins, 2003. 1st Edition. Hardcover. 8vo. 312 pages. Very Good in Fine DJ. B&W Photographs. Signed by the author on title page. There is some ink underlining in the 'Acknowledgements' and ' Introduction' sections and on the first page of chapter 1. Else unmarked ISBN: 0007130058 (Marconi, Guglielmo, Inventors, Electrical Engineer, Wireless Telegraph, Radio, Italy)
