Speedwell

year of pub­li­ca­ti­onISBNauthor(s)title
1999978-0-9537166-0-9Keith R. ThrowerBritish Radio Valves: The Vintage Years - 1904-1925
2006978-0-9537166-2-3Colin Latham ยท Anne StobbsThe Birth of British Radar: The Memoirs of Arnold 'Skip' Wilkins
2009978-0-9537166-3-0Keith ThrowerBritish Radio Valves: The Classic Years 1926-1946