Duddell Medal and Prize
来自维基百科，自由的百科全书
Found in articles
of the original Fleming valve 100 Years of Electronics 2004 – The Centenary of the Fleming Valve Life and Times of Ambrose Fleming （页面存档备份，存于互联网档案馆）
休斯奖章
1038/088181b0. W. Du Bois Duddell, C.B.E., F.R.S.. Nature. 1917, 100: 207. doi:10.1038/100207a0. Bell Telephone Magazine. American Telephone and Telegraph Company