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University of Sheffield Radar Archive University of Sheffield Radar Archive Ref: MS 260 Title: University of Sheffield Radar Archive: a collection initiated by Donald H. Tomlin, graduate of the University of Sheffield 1940 Scope: Documents, books and offprints on the history of the development of Radar from 1921 Dates: 1921-2005 Level: Fonds Extent: 46 boxes; 73 volumes; 113 binders Name of creator: Donald Hugh Tomlin; John Beattie Administrative / biographical history: In February 2001 Donald Tomlin presented his collection of documents, including some which he had himself written, relating to the early development of Radar and his own work within the field, to the University Library, a donation which complemented his earlier presentation of books and offprints when he stated: "The collection of books and papers is being presented to Sheffield University in grateful thanks to the University for the training I received in the Science Faculty in the years 1937 to 1940 and which led to a lifelong career working in Radar and Electronics... The books...represent... a cross section of those books available to workers in the new subject of RDF, later to be renamed by our American colleagues RADAR in 1943. The subject of Radar was entirely new as far as practice was concerned, in 1936, and therefore no information was available on the subject. One had to fall back on books on radio, telephony and electromagnetic waves". The documents in this later collection include original papers, copies of significant documents on the history of the development of radar both published and unpublished, some photographs and Tomlin's own memoirs. Donald Hugh Tomlin (1918-2013) was born in Sheffield and educated at the Central Secondary School for Boys. He showed an early interest in Radio, helping to form and acting as Secretary of a Sheffield `Short Wave Club´. He graduated in Physics at Sheffield University in 1940, and during his studies proposed, as a potential postgraduate, investigating Radio reflections. His early interest in Radio led to his obtaining an Artificial Aerial Transmitting Licence, which was cancelled with the outbreak of war; however, he was directed by the Joint Recruiting Board to complete his degree, and was then sent to join the ADEE (Air Defence Experimental Establishment) at Christchurch, Hampshire, where work was in progress on experimental RDF (Radio Direction Finding) equipment. In 1941 the establishment was renamed the Air Defence Research and Development Establishment (further changes of name and organisation were to follow over the years), and in 1942, following a successful British raid on a German Radar installation on the Channel coast the Establishment was ordered to evacuate to Malvern, Worcestershire. From November 1940 for the duration of the war he worked on the new magnetron systems, and then on the development of a new 10cm. RDF set, the Anti Aircraft Gun Laying Set, which developed various other applications such as meteorological, mortar location and aircraft `talk you down´ functions. In 1946 work began on an Army requirement for early warning Radar to provide information to gun batteries guarding defended areas. This work later found application as Air Traffic Control Radar for military aircraft. From 1960 he became involved with a future RAF Air Defence System and the production of a new generation of high powered Radar sets, becoming generally responsible for Ministry of Defence coordination of multi-equipment contracts for the development and production of major Air Defence Systems, and an MOD representative with NATO on a new Radar Control System. After his retirement in 1978 he acted as a consultant, and also as a historian of the early development of Army, and, from 1953, of RAF Defence Radar. The collection includes three framed photographs, two being of Radar equipment and one of an operating control room. As a Sheffield graduate, Donald Tomlin took an interest in the Sheffield University Association, and was an Executive Committee member of Convocation from 1985, and a member of the University Court from 1997. He died in December 2013. In 2015, the Beattie Papers on Civil Marine Electronics were added to the University of Sheffield Radar Archive. The collection of binders containing documents relating to all aspects of civil marine electronics was created by John Beattie, former Director of Decca and responsible for many of their post-war radars and navigational systems, and was transferred to Sheffield by Dr. Phil Judkins of the Defence Electronics History Society after John Beattie’s death. Related collections: None Source: Donated by Donald H. Tomlin and Dr. Phil Judkins System of arrangement: Chronological and by subject Subjects: Radar - Great Britain Names: Air Defence Research and Development Establishment (Malvern, Worcestershire); Tomlin, Donald Hugh (1918-2013); Malvern (Worcestershire); University of Sheffield - Department of Physics; Beattie, John; Electronics in navigation Conditions of access: Available to all researchers, by appointment Restrictions: None Copyright: According to document Finding aids: Listed University of Sheffield Radar Archive List of Files 1 Radar equation 2 Reflectors 3 Radar meteorological phenomena 4 Radio propagation 5 Radar reflections from aircraft 6 Aerials, Radar 7 Signal/Noise ratio and effects on visual (CRT) displays 8 Disclosure of Wartime Radar information 9 Guided Weapon Symposium on Defence at RRE May 1956 10 Radar development for air defence 11 History of Cossor Electronics Ltd. 12 Inductances and delay lines 13 Mathematics 14 Lecture notes 15 Account of Army Radar by Prof. J.D. Cockroft 16 BTH at War 17 Appreciations of the work of Dr W.A.S. Butement 18 The role of Metropolitan Vickers Ltd. in the period before and during the War 19 Marconi - a War record 20 History of GEC by C.C. Paterson 21 Cavities, dielectrics, special and coaxial transmission lines, impedance measurement 22 Optics, edge lighting and light pipes 23 Celebration of 50th anniversary of the Cavity Magnetron on 21 February 1940, held at Birmingham University 21 February 1990 24 CH - The First Operational Radar Bruce Neale (Marconi) GEC J o R. 1985 reprint 25 CH. (Transmitter T1190) Air Publication 2911 BA 26 The Magnetron 27 Transcript of interview with Rosemary Preece (Open University project) re 'Early days of Radar in Malvern 28 Lecture on 'Impact of Radar on Worcestershire' (D.H.T.) 29 Early Radar proposals 30 The beginnings of British Radar November 1935 Onwards 31 ADEE/ADRDE/RRDE in the War years 1939 to 1945 32 Radar development to 1945 (IEE Lecture 1985) 33 Searchlights to Radar, the story of anti-aircraft and coastal defence development 34 Background to GL3 the UK Centimetric AA Radar 35 RRE File list for 'Linesman' Project in RRE Ground Radar Department. Linesman was the RAF Ground Control system for Air Defence 1970 period. 36 RRE File list for 'Ground Radar' Department. It also covers some of the files in section 35 above. Main contents cover most of the Research projects in Ground Radar Dept, including those for the Field Army. 37 RRE File List for Orange Yeoman Type 82 for the RAF 38 Draft of comments (Manuscript) by D.H. T. on 'Watching the Skies' by J.F .Gough (Jack) which describes the post-war Radar System operated by the RAF, and its various stages of development. 39 Bawdsey Research Station Manual for the CH station built there. Parts 1 and 2 only. Copies of which were issued to the other pre-war CH Stations. 40 Report of Fighter Command Research Section Sept 1941 on the state of RDF in North Scotland and the Isles with an update of Sept 1942. 41 Unofficial descriptive notes on RDF1 ( CH stations) 42 Comments on proposals to improve CH (RDF1) 1952 and 1956. 43 Scrap book of Newspaper cuttings - mainly 1945 onwards along with personal notes - relating to Radar, Atomic Energy and Scientific Education. Collected by Dr. D.R. Chick, an early radar scientist at ADEE and its successors to 1947, and then AEI at Aldermaston Court, Vickers Research Centre and Woolwich Polytechnic (later Surrey University) 44 Copy of 'My Memories', Donald H. Tomlin 1937 to 40, written as part of the Sheffield University Convocation Archives for the Centenary of the University, 2005. 45 Record of the Institute of Electrical and Electronic Engineers (USA) 1985 International Radar Conference 46 Index of Radar Equipments, USA, UK (RAF, Army, Navy), German (Army, Luftwaffe). Whilst the listed equipments are mainly Ground Radar, there are some Airborne sets in the RAF list and in the German list.. 47 D.H.T Lab Book of 1939/40 for the Advanced Physics Lab. at Sheffield University. This is included because, by agreement with Dr. G.T.H. Conn, DHT carried out the 'Magnetron' Experiment of Hull (1921), and also tried to determine some characteristics of a 'soft' valve, using a 'Screened Grid' valve, with gas in it at very low pressure. 48 From time to time, as one of the oldest living (2002) of those who worked on Radar for the U.K. Army, 1940 to 1953, and who has maintained the history of Army Radar, and since 1953, has similarly maintained the history of RAF Ground radar, from time to time DHT is asked by retirees or the widows of retirees, to safeguard scientific papers of those officers. This particular set consists of collected papers of Dr. E.K. Williams. Where such items are small in number, they have been included in the General Deposit, with a note as to source, whereas in this case, there are large numbers of papers, they have been included under a single Deposit number but then broken down into subject files with an added indicator in the Index, viz, File 48 (EKW.1) 48 EKW 1 Radomes, aerials, phased arrays, scanning. 48 EKW 2 'Chirp', SAW Delay lines 48 EKW 3 Eureka / Monica.
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