Experimental notes, working papers, correspondence and lecture summaries compiled by Charles Wheatstone, 1836-1875, and photographs collected by him in that period. Notably including papers relating to the development and testing of the telegraph, [1836-1960]; descriptions of experiments and test results concerning the measurement of electromotive forces and electrical potential, [1840-1875]; experimental observations on the nature of magnetism, electricity and thermodynamics, including electromagnet design, batteries and dynamos, [1834-1855]; working papers relating to optics including experiments into refraction, colouration of compounds and polarisation, [1850-1875]; drafts of lectures on sound and musical instruments prepared by Wheatstone, [1832-1837]; material relating to the management of the Wheatstone collection of scientific instruments and library, 1890-1992; biographical material relating to the life of Wheatstone, the invention of the telegraph and Wheatstone's musical instrument manufacturing business, with unrelated newspapers, 1757-1975; stereoscopic photographs and glass negatives taken by Roger Fenton, Samuel Buckle, Jules Duboscq and others, featuring landscapes, still lifes, panoramic scenes of cities including Paris and Moscow and the interior and exterior of the Crystal Palace, Hyde Park, Sydenham, 1851, and especially the Exposition Universelle, Paris, 1855, [1850-1901]; artefacts from Department of Physics, King's College London, including demonstration equipment, telegraph apparatus, a nail fiddle and other prototype musical instruments, [1834-1875]; exhibition of scientific and musical instruments, [1834-1875].

Records of the Joint Chiefs of Staff, part 1: 1942-1945 is a themed microfilm collection containing copies of official documents of the US Joint Chiefs of Staff, 1942-1945. Documents include meeting minutes and memoranda and reports relating to grand strategic issues, the Pacific theatre, the European theatre, and the Soviet Union. Meeting minutes include those for the conference held at Casablanca, Morocco, codenamed ANFA, in which the Anglo-American Combined Chiefs of Staff (CCS) first discussed the policies of German unconditional surrender, the Combined Bomber Offensive from Great Britain against Germany and the establishment of the French National Committee for Liberation, 14-24 Jan 1943; the Allied conference held at Washington, DC, codenamed TRIDENT, in which President Franklin Delano Roosevelt, Prime Minister Rt Hon Sir Winston Leonard Spencer Churchill, and the Combined Chiefs of Staff (CCS) discussed the decision to delay the invasion of France until May 1944, the Italian surrender, and the Battle of the Atlantic, 11-25 May 1943; the Allied conference at Quebec City, Canada, codenamed QUADRANT, in which the Allies endorsed a plan for the invasion of the Normandy coast in France, formed a new theatre of war, South-East Asia Command, with Acting Adm Lord Louis (Francis Albert Victor Nicholas) Mountbatten as Supreme Allied Commander, and regulated the procedures for co-operation between Great Britain and the US regarding the development and production of the atomic bomb, 12-24 Aug 1943; the Allied conferences at Cairo, Egypt, codenamed SEXTANT, in which the Allies discussed combined operations in South-East Asia with Generalissimo Chiang Kai-Shek's Chinese forces, 22-26 Nov and 2-7 Dec 1943; the Allied conference at Teheran, Iran, codenamed EUREKA, in which the Allies first co-ordinated future strategy with Soviet Prime Minister Joseph Vissarionovich Stalin, including plans to coincide military operations against Germany in France and the Soviet Union in May 1944, 28-30 Nov 1943; the conference at Quebec City, Canada, codenamed OCTAGON, in which the Allies discussed the post-war division of Germany and a plan for its de-industrialisation, 12-16 Sep 1944; the conferences at Malta and Yalta, Soviet Union, codenamed ARGONAUT, in which the Allies discussed the division of post-war Germany, the occupation of Germany and Austria, Soviet involvement in the war against Japan, and the future government and frontiers of Poland, 30 Jan-9 Feb 1945; the conference at Potsdam, Germany, codenamed TERMINAL, in which the surrender terms for Japan were discussed, the boundaries and peace terms for Europe were determined and Poland's government and frontiers were debated, 16 Jul-2 Aug 1945. Papers relating to grand strategic issues include US Joint Chiefs of Staff documents on Allied production and assignment of war materials; British and US merchant vessel losses; US policy concerning assignments of Lend-Lease military aircraft, naval vessels and munitions to Great Britain; Allied petroleum supplies; propaganda and unconventional warfare; war crimes and prisoners of war; and the summit conferences held between the Allied powers of the US, Great Britain and the Soviet Union, 1942-1945. Papers relating to the European theatre include US Joint Chiefs of Staff memoranda and operational reports concerning the planning and conduct of Allied offensive operations in Europe, including the invasion of North Africa, codenamed Operation TORCH, Nov 1942; the invasion of Sicily, Italy, codenamed Operation HUSKY, Jul 1943; the US preparation for the invasion of Europe, codenamed Operation BOLERO; and the Allied invasion of Europe, codenamed Operation OVERLORD, Jun 1944. Papers relating to the Pacific theatre include US Joint Chiefs of Staff memoranda and operational reports concerning the Japanese war economy; Japanese Imperial Army logistical capabilities; locations and strengths of Japanese forces in the Pacific; British participation in long range bombing of Japan; Allied operational efforts in Burma, India, Malaya, and the Philippines; Soviet claims on the Sakhalin and Kuril islands; and the co-ordination of Allied strategic plans for the defeat and occupation of Japan, 1943-1944. US Joint Chiefs of Staff papers relating to the Soviet Union include estimates, memoranda, conference minutes and reports concerning the disclosure of Allied technical information to the Soviet Union; Soviet military action to facilitate Operation OVERLORD; liaison between Allied theatre commanders and the Soviet Army; Soviet capabilities with reference to the Far East; US Lend-Lease requirements for the Soviet Union; and estimates of Soviet post-war capabilities and intentions, 1943-1945.

Microfilm collection containing copies of meeting minutes of the major conferences of the Combined Chiefs of Staff, 1941-1945. Meeting minutes include those for the conference held at Washington, DC, codenamed ARCADIA, at which Anglo-American planners first formed a combined strategy for the prosecution of the war, 22 Dec 1941-14 Jan 1942; the conference at Casablanca, Morocco, codenamed SYMBOL, during which the Anglo-American Combined Chiefs of Staff (CCS) first discussed the policies of German unconditional surrender, the Combined Bomber Offensive from Great Britain against Germany and the establishment of the French National Committee for Liberation, 14-24 Jan 1943; the Allied conference held at Washington, DC, codenamed TRIDENT, at which President Franklin Delano Roosevelt, Prime Minister Rt Hon Sir Winston Leonard Spencer Churchill, and the Combined Chiefs of Staff (CCS)discussed the decision to delay the invasion of France until May 1944, the Italian surrender, and the Battle of the Atlantic, 11-25 May 1943; the Allied conference at Quebec City, Canada, codenamed QUADRANT, at which the Allies endorsed a plan for the invasion of the Normandy coast in France, formed a new theatre of war, South-East Asia Command, with Acting Adm Lord Louis (Francis Albert Victor Nicholas) Mountbatten as Supreme Allied Commander, and regulated the procedures for co-operation between Great Britain and the US regarding the development and production of the atomic bomb, 12-24 Aug 1943; the Allied conferences at Cairo, Egypt, codenamed SEXTANT, at which the Allies discussed combined operations in South-East Asia with Generalissimo Chiang Kai-shek's Chinese forces, 22-26 Nov and 2-7 Dec 1943; the Allied conference at Teheran, Iran, codenamed EUREKA, during which the Allies first co-ordinated future strategy with Soviet Prime Minister Joseph Vissarionovich Stalin, including plans to coincide military operations against Germany in France and the Soviet Union in May 1944, 28-30 Nov 1943; the conference at Quebec City, Canada, codenamed OCTAGON, at which the Allies discussed the post-war division of Germany and a plan for its de-industrialisation, 12-16 Sep 1944; the conferences at Malta and Yalta, Soviet Union, codenamed ARGONAUT, at which the Allies discussed the division of post-war Germany, the occupation of Germany and Austria, Soviet involvement in the war against Japan, and the future government and frontiers of Poland, 30 Jan-9 Feb 1945; the conference at Potsdam, Germany, codenamed TERMINAL, during which surrender terms for Japan were discussed, the boundaries and peace terms for Europe were determined and Poland's government and frontiers were debated, 16 Jul-2 Aug 1945. Conference minutes include references to Allied production and assignment of war materials; British and US merchant vessel losses; US policy concerning assignments of Lend-Lease military aircraft, naval vessels and munitions to Great Britain; Allied petroleum supplies; propaganda and unconventional warfare; war crimes and prisoners of war; operational reports concerning the planning and conduct of Allied offensive operations in Europe, including the invasion of North Africa, codenamed Operation TORCH, Nov 1942; the invasion of Sicily, Italy, codenamed Operation HUSKY, Jul 1943; the US preparation for the invasion of Europe, codenamed Operation BOLERO; and the Allied invasion of Europe, codenamed Operation OVERLORD, Jun 1944; operational reports concerning the Japanese war economy; Japanese Imperial Army logistical capabilities; locations and strengths of Japanese forces in the Pacific; British participation in long range bombing of Japan; Allied operational efforts in Burma, India, Malaya, and the Philippines; Soviet claims on the Sakhalin and Kuril islands; the co-ordination of Allied strategic plans for the defeat and occupation of Japan, 1943-1944; Soviet military action to facilitate Operation OVERLORD; liaison between Allied theatre commanders and the Soviet Army; Soviet capabilities with reference to the Far East; US Lend-Lease requirements for the Soviet Union; and estimates of Soviet post-war capabilities and intentions, 1943-1945.

Prentice's manuscript diaries, mainly detailing his services at General Headquarters, Middle East Command, Cairo, Egypt, including mention of Long Range Desert Group operations in the Western Desert, 1942; manuscript diaries and notebooks kept by Prentice and Wickstead, mainly relating to SOE operations in West Macedonia, Greece, 1943-1944; reports, mainly compiled by Allied Military Mission personnel, detailing demolition, intelligence and reconnaissance missions in West Macedonia, combined missions with Ethnikos Laikos Apeleftherotikos Stratos (ELAS) 9 Div, liaison operations with Raiding Support Regiment and US Operational Group 7 personnel, sabotage targets, and administrative and operational procedures, 1943-1944; papers, in Greek, mainly relating to ELAS partisan activities in West Macedonia, including a copy of the 'National Bands Agreement', memoranda to Allied Military Mission regarding struggles with Ellinikos Dimokratikos Ethnikos Stratos (EDES) factions, political proclamations and ELAS propaganda; papers, in Greek, relating to Greek partisan forces not under the jurisdiction of the Allied Military Mission, including memoranda, propaganda and military orders from the Ellinikos Ethnikis Stratos (EES) and Kommounistiko Komma Elladas (KKE) and official Greek government notices, 1943- 1944; maps and photographs of Allied Military Mission areas of operation, 1943- 1944; correspondence between Allied Military Mission commanders and sub-area commanders, 1943-1944, including correspondence between Greek partisan commanders and Prentice, 1944; personal letters from Allied personnel to Prentice, 1946-1955; correspondence between Wickstead, Officer Commanding Signals, Area 1, and Allied personnel, 1944; papers relating to wireless/telegraphy signals, Allied Military Mission, 1943-1944; papers, relating mainly to the administration and supply of the Allied Military Mission; German papers, including German 1 Mountain Div operational orders, propaganda, personal letters from German soldiers to family members and German-language newspapers; Greek political papers, notably including propaganda newspapers and party leaflets, including letters to Maj Gen Arthur Wilmot Wadeson Holworthy, 1941-1946; Wickstead's post-war index of Allied Military Mission signals, [1989]; papers relating to post-war publications about SOE operations in Greece, including the working papers for Lt Col Nicholas Geoffrey Lemprière Hammond's, The Allied Military Mission and the Resistance in West Macedonia (Institute for Balkan Studies, Thessaloniki, 1993); post-war Greek newspapers, leaflets and war memorial publications, 1945-[1991]. 3.3.4 Arrangement: Arranged in the following sections: diaries and notebooks of Maj Ronald R Prentice and Capt H Arthur Wickstead, 1942-1944; documents and papers relating to Allied Military Mission operations, West Macedonia, 1943-1944; papers relating to Greek partisan activities, 1943-1944; maps and photographs of Allied Military Mission areas of operations, 1943-1944; correspondence between Allied Military Mission commanders, 1943-1944 and former Greek partisans, 1946-1955; papers relating to wireless/telegraphy signals, Allied Military Mission, 1943-1944; papers relating to the administration, finances and logistics of the Allied Military Mission, 1943-1944; German papers, documents and newspapers during the occupation of Greece, 1943-1944; Greek political papers, documents and newspapers, 1941-1946; Wickstead's post-war partial index of signals, Allied Military Mission, West Macedonia, [1989]; papers relating to post-war publications about the resistance movement in West Macedonia, [1989-1991]; post- war Greek newspapers, leaflets and war memorial publications, 1945-[1991].

Scrapbook of his service with SOE Force 133, North West Greece, 1943-1944, compiled in [1944] and [1977-1985], including copy of his official report on resistance activities, Sep 1943-Dec 1944, with particular reference to relations between the National Republican Greek League (EDES) and the National People's Liberation Army (ELAS), written in Dec 1944; essay on the political situation in Greece, 1942-1944, written in May 1944; typescript copies of messages sent by Nind to Force 133 HQ, Cairo, Oct 1944, copied in [1977-1985]; photographs, 1943-1944.

Papers principally relating to operations of the Special Operations Executive (SOE) in Italy, Greece, the Aegean and the Balkans, 1941-1945, including: SOE training manuals, and various SOE memoranda relating to the 'Rhine mine', poisons, inland waterways, and the 'New Zionists', 1941-1944; memoranda and directives on SOE infiltration of Italy and the recruitment of Italian agents, the production of propaganda for use in Italy, transcripts of subversive propaganda broadcasts to the Italian people via Radio Jerusalem, letters from Stefano Terra, regarding the activities of the anti-fascist group Giustizia e Libertà, 1940-1943; diary of Capt R Guy Turrall during his SOE sabotage mission to Crete, 1941-1942; papers concerning SOE Operations BASILIC and ERRATIC (infiltration of Scarpanto and Rhodes), 1943; papers concerning propaganda operations in conjunction with the Political Warfare Executive, particularly Operations KREIPE and KRIMSCHILD, May 1944, to demoralize German troops on Crete; reports, 1943-1945, relating to SOE activities on Crete, including reports on the kidnapping by SOE of German Maj Gen Heinrich Kreipe; appreciations of SOE activities in Greece, Hungary, Bulgaria, Rumania, 1943; correspondence of Headquarters Force 133 (SOE Cairo, Egypt) in regard to promotion, welfare, training, transfers and postings of personnel, including confidential reports on individual staff, 1944-1945; diary of Maj John Mulgan, British Liaison Officer in Greece, 1944; correspondence relating to the winding up of SOE organisation in Greece, 1944-1945; various other papers, comprising correspondence with Anne René Pleven, 1939-1941, on the German bombing of London and the reaction of the French people to German occupation and the Vichy government; report on René Pleven, French Minister of Defence, concerning Pleven's attitude to the French political situation, policy towards Indo-China and the French High Command, 1949; papers relating to the reorganisation of Lyons Silks Ltd, French Silhouettes and Arnold Securities, 1949-1950; newspaper article on German penetration of the SOE network in the Netherlands, 1942-1944, dated 1953.

Copy of diary covering his service as ADC to Winston Churchill at the Cairo Peace Conference and including details of meetings with Col Thomas Edward Lawrence (later known as Thomas Edward Shaw), Mar 1921; photocopy of photograph of Coote, 1917; brief account of his life and career, 1893-1946, written by his godson, Air Cdre B H Newton in 1981.