Working Papers and Reports

Many of the files donated by John Pinkerton (C1-13, C57-95) contain correspondence. Comprises:

• C1, File, Programming general. From 1950 to 1960, including LEO I and II;
• C2, File, Programming general. From May 1960 to December 1961, LEO III;
• C3, File, Programming. From January 1962.
• C4, File, Programming (CLEO). From February 1961 to June 1962.
• C5, File, CLEO. From July 1962.
• C6, File, LEO III programming. From September 1963 to July 1964.
• C7, File, Programming. February 1965 to August 1968. Includes RRE Memorandum, 'Networks for real time programming', by C.S.E. Phillips, April 1966;
• C8, File, Microprogramming. From January 1960 to September 1962.
• C9, File, Microprogramming. From October 1962.
• C10, File, Microprogramming for LEO III/F. From 1962 to 1964.
• C11, File, Microprogramming. Part IV. July 1970 to 1980.
• C12, File, Storage Part I. 1965-1969.
• C13, File, Storage Part II. 1969-1977.
• C14, LEO III users' manual. Volume I. Computer facilities, June 1963.
• C15, LEO III users' manual. Volume II. The CLEO programming system, November 1963.
• C16, LEO III users' manual. Volume III. Intercode specification and intercode translator, September 1961.
• C17, LEO III users' manual. Volume III. Intercode specification and intercode translator, from Peter Byford, April 1963
• C18, File containing LEO III programming course notes, handwritten and printed, from Peter Byford, 1961.
• C19, File, LEO III programming course additions and handwritten notes, from Peter Byford, 1961;
• C20, LEO management manual, 1961;
• C21, LEO Computers Ltd. January 1961. Training course for programmers and operators, syllabus. Also includes a LEO coding sheet, and photocopies of circuit diagrams, 1961;
• C22, LEO III training courses, from Gordon Foulger, 1963;
• C23, LEO. Courtaulds Limited: stock register specification, draft, from Peter Byford, undated.
• C24, LEO Computers Ltd. Esso Petroleum Co. Ltd. Sales procedures. Job plan volume 3, from A.L. Jacobs, July 1958.
• C25, LEO Computers Ltd. E58 Greenwich Metropolitan Borough Council. Specification for payroll, from A.L. Jacobs, January 1958. Also includes: Programme for visit of Metropolitan Mayors and press, 23 July 1958, and Quis (2 copies), undated.
• C26, LEO Computers Ltd. Scottish Gas Board. Credit billing. Outline job plan, from A.L. Jacobs, February 1959.
• C27, File containing various LEO II manuals, etc. Including LEO II schedule of registers, order code and order times, 1958, Magnetic tape arrangements on LEO II, 1958, LEO II control desk, and LEO I synthesis orders, from A.L. Jacobs, 1958-1959.
• C28, Office management manual, from J.M.M. Pinkerton, June 1946. Also includes: Clerical organisation, January 1951, and Clerical Department. J. Lyons & Co, February 1955 (a list and tree of names and positions in firm);
• C29, LEO 326, from Phil Andrews, includes action times and circuit diagrams, 1960s;
• C30, LEO 326, from Phil Andrews, includes action times and circuit diagrams, 1960s;
• C31, File, collection of papers from Gordon Foulgar re GPO telephone billing using a LEO computer. Includes: some correspondence, LEO III computer code summary, EELM particulars of employment, billing punched cards, LEO computers staff handbook (1962), intercode data vet program for first stage of telephone billing, and notebook, 1962-1968;
• C32, Papers concerning Shell-Mex and BP's computer evaluation in 1960, from Mike Hancock, 1960;
• C33, Papers concerning the Royal Navy Dockyards computers (with Autolector), includes many examples work cards and forms;
• C34, Note, Form and layout of computer code instructions and table entries in the store, for LEO III, 1960s.
• C35, Working with the computer, by D.G. Blagbrough (Deputy Chief Accountant South Western Gas Board), about use of LEO III, 1965;
• C36, LEO Computers Ltd. LEO III conversion course. No 2, 1962.
• C37; File of brochures: LEO: a computer in the service of the steel industry. Stewarts and Lloyds Ltd, Corby, Northants, EELM. Myriad. A micro-integrated computer, LEO III data processing system, Openings in LEO Computers Ltd, also: map of Hartree House Second Floor, 1960s;
• C38, Scrapbook made from issue of The Manager, February 1954, includes many news clippings re LEO, 1954-1965;
• C39, File of brochures: LEO, EELM. CLEO automatic programming language, Openings in LEO Computers limited, A few facts about LEO III, EELM. Computer Bureau Service. Stockbrokers' accounting, 1960s.
• C40, English Electric visit to LEO, 1963;
• C41, File, includes: two Handbooks for staff of LEO Computers Ltd (1959 and 1962), brochure about pension fund, brochure about the Lyons Club (sports), LEO Automatic Office brochures (Output printers and Auxiliary storage), leaflet ' KDF 9 and sales accounting: an English Electric LEO demonstration, brochure LEO family: data processing systems. Reprint from Data Processing on LEO 326 and LEO 360 (1964), two brochures on LEO III: The LEO III magnetic tape system and The operational control of LEO III. The Control Desk, 1960s.
• C42, ICT. Field engineering manual. Samastronic independent print head for LEO computer. Maintenance information, 1960s.
• C43, LEO II programming course, June 1961;
• C44, LEO III advanced programming course No 7, from Peter Byford, 1962.
• C45, Various LEO III coding sheets, some filled in. Also some hand-drawn programming flow diagrams, originally in large unmarked orange folder, 1960s;
• C46, Program print-out, 31314 Am 19916 -> 19917, from Peter Byford, 1960s.
• C47, Intercode programmer's training manual for LEO III, from Jennifer Williams née Webster, 1966.
• C48, LEO III. Engineer's fault records, 1969.
• C49, LEO III Engineers course, 1969;
• C50, LEO engineering drawings of circuits, etc, 1960s.
• C51, Collection of large (larger than A3 size) engineering drawings of LEO III computer design, 1960s;
• C52, Loose-leaf book, Office management manual. Comptroller's department, from J.M.M. Pinkerton, 1960s.
• C53, LEO III. Schedule of operators' controls and indicators, March 1961.
• C54, LEO III. Schedule of operators' controls and indicators, April 1961.
• C55, LEO III. Schedule of operators' controls and indicators, April 1962.
• C56, LEO consultants course, 1962;
• C57, Staffing a LEO III computer installation, 1961.
• C58, Computer development arithmetic and control units and order code, with some handwritten notes, 1959.
• C59, LEO computers, prepared by S.H. Benson Ltd's Marketing Department, November 1959/
• C60, The LEOmatic office, [?1950s];
• C61, Outline description of LEO III computers, September 1959.
• C62, Introducing LEO III, undated;
• C63, Introducing LEO III, undated (but later than C62);
• C64, LEO III user's manual. Software release notice no. 6, amendments to LEO user's manual, 1969.
• C65, LEO III master routine. Draft specification, 1961.
• C66, LEO facilities manual, 1961;
• C67, Data receipt and despatch, 1962;
• C68, LSP 22. Systems specifications, for LEO III, 1960s;
• C69, File, LEO II. Policy and general, 1955-1960;
• C70, File, LEO II. Technical general, 1952-1960;
• C71, File, Store (LEO II), 1952-1963;
• C72, File, Re: lecture to Bedford BCS on 5th October 1971, 1971.
• C73, File, Reprints, 1954-1960.
• C74, File, LEO film, 1957-1961.
• C75, File, C.D. Pilot Computer, early LEO III, 1958-1960;
• C76, File, G1 Policy, early LEO III, 1958-1962;
• C77, File, Policy (LEO III), 1962-1965;
• C78, File, G11. Store access unit, 1959-1961;
• C79, File, F4. Arithmetic unit, 1958-1960;
• C80, File, F4. Arithmetic unit, 1961-1965;
• C81, File, G5. Racks and cabinets, 1958-1963;
• C82, File, LEO 300, 1963.
• C83, File, F2. LEO III/F, 1961-1965;
• C84, File, information about LEO III operating system developed in South Africa by LEO Computer Bureau, 1960s;
• C85, File, F3. LEO/IV, 1961-1963;
• C86, File, KLX. Part I, on Project X, 1962-1963;
• C87, File, Project X. Part II, 1963;
• C88, File, KLX system design, 1964;
• C89, File, KLX general, 1964.
• C90, File, KLX programming file, 1964;
• C91, File, Project D 90, 1963-1964;
• C92, File, Character and word organised machines, 1963.
• C93, File, Future systems, about a possible System 5, 1966;
• C94, File, Summary of visits made by D.T. Caminer and J.M.M. Pinkerton during visit to USA. March/April 1958, 1958.
• C95, File, American diary, 1963-1964;
• C96, EEL, Report and recommendations following visit to RCA. November/December 1964, 1964.
• C97, File, GPO, 1956-1968.
• C98, File, L.4. Tea blending control. Job requirements, 1956.
• C99, Booklet, ARDOC. A plain language guide, by Richard Harris (ARDOC - Alpine Refrigerated Deliveries Operations Control), 1965;
• C100, Lyons bakeries and staff payroll. Reprint of job specification, 1959.
• C101, Standard sales ledger. Computer job plan. Specimens, undated [1971?].
• C102, LEO Computers Ltd. Kodak Limited - Payroll. Job requirements statement, 1956.
• C103, Standard purchase accounting system. Feasibility report, undated.
• C104, Computer job plan. Henry Telfer Ltd. Sales statistics, 1968.
• C105, LEO III. Bakery rounds records, 1963.
• C106, LEO III, undated (1960s).
• C107, Schedule of operators controls and indicators, 1962.
• C108, Main index - volume 2, LEO II Technical Manual, 1960.
• C109, L14. Lyons teashops payroll. Job plan, 1958.
• C110, LEO III. Schedule of operators' controls and indicators, 1961.
• C111, Wages office. LEO payroll othodox procedure, undated.
• C112, LEO II Technical Manual. Main index - volume 4, 1957.
• C113, Untitled. Arithmetic using LEO II, 1958
• C114, LEO job plan. Caterers' tea. Invoice, sales ledgers and sales statistics, 1959.
• C115, L2 teashops orders. Job specification, undated.
• C116, L4 tea blending control. Job specification, undated.
• C117, L5 A&D. Job specification, undated;
• C118, L5 wholesale bakery invoicing and sales statistics. Data and results specimens. Volume II. L5B and L5C programmes, undated.
• C119, L2 teashops orders. Job specification, undated.
• C120, J. Lyons and Co. Ltd. Teashops payroll. L14Y end of year programme, undated.
• C121, L14 Lyons teashops payroll. Job plan, 1958.
• C122, L5 A&D. Data and results specimens, 1958.
• C123, L5 A&D. Job specification, undated
• C124, L14 J. Lyons & Company Ltd. Teashops. Payroll specification, 1958.
• C125,LEO II Technical Manual. Main index - volume 3, 1960.
• C126, English Electric-LEO Ltd. Specification of the LEO/Parnall document reader, 1963.
• C127, EELM. LEO. On-line controllers manual, (LEO III), undated.
• C128, EELM. LEO III. Users manual. Volume 2: CLEO programming system, 1965.
• C129, LEO I. Diagrams, block circuit diagrams in file, undated (1950s);
• C130, The layman's guide to LEO, undated (1950s);
• C131, L4 tea blending control emergency system (photocopy), 1955.
• C132, L4. Tea blending (photocopy), 1954;
• C133, L1 payroll. Job specification (photocopy, with original diagram), undated (1950s);
• C134, Photocopies of reports of visits to the United States. 1) Extract from the business diary of the American trip, 1925 (office machinery). 2) Report of Thompson and Barnes, 1955;
• C135, Report on a visit by Mr Booth and others to Cambridge, 11.11.47 (photocopy), on EDSAC, 1947.
• C136, Development of the electronic calculating machine (photocopy), second report on Cambridge EDSAC, 1949.
• C137, Collection of photocopies relating to Daniel Briodo, a LEO salesman and Export Manager Eastern Europe in the 1950s-1970s. Briodo's parents were exiled by Lenin from Russia and escaped German anti-Semitism in the 1930s by moving to the UK. Briodo developed an automatic optical mark sensing machine;
• C138, Introduction to coding, (LEO III?), undated;
• C139, EELM. Computer installations and orders. System 4, LEO and KD ranges, 1967.
• C140, Computer survey. Volume 3 No.1, a quarterly publication listing UK computers, photocopy, 1964;
• C141, EE-LEO Ltd Tender....A LEO III automatic office to the Department of Inland Revenue, 1963.
• C142, LEO 326 and LEO 360 specifications (photocopy), 1964.
• C143, Memorandum, Electronic machines in the office, from Simmons. Covering note for report by Thompson and Standingford on their trip to the USA. We believe that they have been able to get a glimpse of a development which will, in a few years' time, have a profound effect on the way that clerical work (at least) is performed.. . Urges a Lyons initiative. An important document in computer history. 20 October 1947;
• C144, Computer survey. Volume 2 No.4, a quarterly publication listing UK computers, photocopy, 1964;
• C145, Electronic Computer Exhibition, photocopy of brochure, 1958;
• C146, Electronic Computer Exhibition, photocopy of brochure, 1961;
• C147, ICL. Computer installations and orders. System 4, LEO and KD ranges, 1968.
• C148, LEO III computer systems. Present development, Stewarts & Lloyds, Colvilles Ltd (Ravenscraig), photocopy, undated (1960s);
• C149, Diagrams, envelope containing loose diagrams, undated;
• C150, LEO document reader. Envelope containing brochures on Autolector and Xeronic, undated;
• C151, File, Parnell Xeronic correspondence, various documents relating to Xeronic and Xerographics collected by Peter Bird, 1960s-1990s;
• C152, File, Conversations with Pinkerton. LEO Chronicle, conversation as published in IEEE Annals of the History of Computing. Copy of Chronicle.
• C153, File, LEO Converter, a decimal and sterling to binary converter, 1951;
• C154, Contents of a miscellaneous box file. Includes some correspondence re LEO marketing, newspaper clippings re LEO (1960s-1980s), blueprint of Minerva Road LEO production facility (Acton), correspondence between LEO and IBM (including a joint presentation, 1970), memoranda re LEO III project, memorandum re RCA/English Electric information sharing agreement, technical report on Computer manufacturer evaluation by Lyons Computer Service (1969);
• C155, Contents of miscellaneous box file, LEO. Includes: LEO pamphlets (including Czechoslovak LEO pamphlet with photographs), photocopies of articles about LEO and computer history, copy of deed between English Electric and J. Lyons Ltd, memoranda re LEO III project, report from EE-LEO Computer-Users Association, report Staffing a LEO III computer installation, copy of deeds of corporation 1963, correspondence re LEO at the Science Museum, copy of Pinkerton article Taming LEO: overcoming the inherent unreliability of Leo I (IEE Review, January 1991), copy of paper The application of electronic digital computers and calculators to accountancy, costing and managerial control (summer school at Northampton Polytechnic, London, 1955), paper on use of LEO in control of production at Park Gate Iron and Steel (undated, 1960s), copy of article LEO (Electronic Engineering, 1954), copy of article A vital race for rapid reports (on Census of Production, reprinted from International Business Automation, 1964), DHSS booklet, Newcastle Central Office (includes account of use of computers at the Department of Health and Social Security, 1986), three business cards.
• C156, Contents of miscellaneous box file, LEO references. Includes: forms (automatically generated) re deliveries of Lyons cakes (August 1964), LEO installation planning guide (undated 1960s), memo on LEO and Management Accounting and Planning (1964), LEO Chronicle copy, copy of Computer Management special issue on first business computer (June 1977), report Brief details of computer hardware installed and applications running [within J. Lyons Group's UK operations] (1976), family tree of Cohen and Lyons family, various other articles, master copies of parts of A semi- technical description (account of LEO);
• C157, Envelope Shell, Australia. Photocopies of articles on LEO in Shell's Australian offices, from Shell Times. Also copies of feasibility report and report of computer selection group, both 1962;
• C158, Completed Census of Production form for LEO Computers Ltd, 1958;
• C159, File, papers and correspondence re Ministry of Aviation returns on sales of electronic capital goods, 1957-1962;
• C160, File, papers and correspondence re Ministry of Aviation returns on sales of electronic capital goods, 1962-1963;
• C161, File, correspondence re Lyons Computer Services Ltd, 1969-1970.

 The following files from the 1980s relate to Lyons Computer Services Limited: 

• C162, ARD. Preparation procedure to provide invoicing Tesco, undated (1980s).
• C163, Report on J.L. Catering point of sale computer installed at Strand Corner House, by Patricia Eden, July 1981.
• C164, Cash Book. Draft system specification, November 1983.
• C165, Stocktaking specification, by L. Baxby, April 1983;
• C166, Lyons Brooke Bond (PVT) Limited. Computer study, by Peter Bird, September 1979.
• C167, Tax, cash flow, CCA figures. Quotation, December 1983.
• C168, Sol Club Ltd. JLPL business information study. Interim report, June 1981.
• C169, Homburg file, 1976-1984.
• C170, Divisional information technology study, 1989, with presentation notes, 1989.
• C171, Central information system for Embassy Hotels, 1984.
• C172, Three year trends computerisation, 1983.
• C173, Embassy Hotels Ltd. Hotel Piccadilly computer study, with two revisions, 1981-1982.
• C174, System specification for register of contracts, 1982.
• C175, The Secretariat. A computerised company record keeping system, undated (1990s).
• C176, The Secretariat. A computerised company record keeping system, undated (1990s).
• C177, The Charities Administrator, 1991;
• C178, New payroll system, undated [?1980s];
• C179, Customer and Supplier prints, by P. Eden, August 1982;
• C180, Invitation to tender for the supply of an integrated accounting system for Normand Limited, by Peter Bird, March 1980.
• C181, Invitation to tender. Sol Cafe Ltd and Soft Drinks Ltd, November 1981.
• C182, J.L. Private Label computer report. Hardware evaluation, 1982.
• C183, Lyons Brooke Bond (PVT) Limited. Computer study, March 1984.
• C184, Embassy Hotels Limited. Appraisal report on the hotel computer systems. Supplied by ADP and OPTIM-MCS, by L. Baxby, January 1984.
• C185, Evaluation of computer proposals for Embassy Hotels Limited, by Peter Bird, January 1981.
• C186, Capital projects. Normand Limited, by Peter Bird, September 1980.
• C187, Departmental petty cash/foreign travel. System specification, by P. Eden, August 1982.
• C188, Word processing report, June 1981;
• C189, Review of IBM 3790 processors. Report No.1, by N.A. Beasley, December 1981.
• C190, J.L. Catering Limited. Business information study. Report No.1, by J.F. Clissold, July 1981.
• C191, Report on the acquisition of an IBM System 36 computer by Sol-Tenco Limited, March 1984.
• C192, Tea purchases and stock recording system, 1980.
• C193, J. Lyons (Ireland) Ltd. Tea purchases and stock recording system. Report No.1, by Peter Bird, December 1979.
• C194, Hotels. Computerised stocktaking system specification, by L. Baxby, July 1983.
• C195, Lyons Computer Services Ltd. Utility Manual, 1979.
• C196 Leo II Payroll Services Manual.
• C197 LEO I and II: Post mortems, Operating instructions and notes
• C198, J Lyons Group 'Brief details of computer hardware installed and applications running", Jan 1976, compiled by P J Bird.
• C199, Leo III training course: computer code instructions, May 1963
• C200, CLEO routines manual 1963 [former reference 003/03].
• C201, LEO II Order code 1958.
• C202, LEO II Training Manual: 'The principles of binary arithmetic' and 'Arithmetic in binary coded quantities' Jul 1962.
• C203, LEO III training course Trials analysis, 1965.
• C204, LEO II 'Input and Output facilities of LEO II" n.d.
• C205, Executive Course Manual LEO III, c.1963 [donated by Philip Owen].
• C206, Maintenance Manual LEOIII/1, 1961 [donated by Brian Eaton].
• C207, Flowcharts LEO III routines c.1960 (donated by Frank Land, 2000).
• C208, 4 photos of LEO computers, 1957-1958; three show LEO employee Gerry Randell with LEO machines including one at the Electronic Computer Exhibition, 1958) and a sheet signed by Randell's colleagues on his departure from the company (donated by Randell in 2003, with note).
• C209, Folder of miscellaneous material including a report of the first Australian LEO reunion 1999, newspaper cutting from Computing 21 October 1999 celebrating the 50th anniversary, a family tree of the Lyons and Cohen families, a cutting relating to the John Pinkerton lecture, 2000; photo pies of LEO machines and a "LEO in operation, a semi technical description"; Issue of Computer Management June 1977 with an article on LEO; general notices re the LEO/EE mergers, 1963.
• C210, "Leo Chronicle" by A Thompson [donated by John Pinkerton in 1990]
• C211, LEO IV/KLX/System4 papers. General correspondence, minutes, reports, specifications etc. relating to the development of a LEO IV computer, 1962-1965. In 1963, LEO merged with English Electric, and development focussed on the KDF9, originally an EE project. In addition, a new project KLX was started in 1964. However, this was never completed, because of costs and in late 1964, the company switched to using the RCA spectra system, a licensed product . The Spectra 70 products became known as System 4 within the company. Subjects covered include system design, code design, microprogramming, programming languages (Python). 7 folders
• C212, File System 4 Programming Languages, 1964.
• C213,File System 4 microprogramming 1964.
• C214, LEO IV, 1962-1963 , mostly technical reports.
• C215, KLX Specifications and Equipment 1964.
• C216, System 4 documentation, 1964.
• C217, Input and Output facilities of Leo II, 1958
• C218 LEO II programming course, May 1961.
• C219 Specification for LEO III 1964.
• C220 The LEO specification
• C221, Report for L Harris (Harell) ltd. material and production requirements, 1962.
• C222 Report for Winter Trading co Ltd Stock and Sales Analysis, 1962
• C223, CAV limited Outline plan production, 1958.
• C224, L21 Ice Cream Depot Replenishments Job Plan
• C225 H A Leon Stock Control Specification
• C226 Briefs for answering questions from prospective customers.
• C227 Kayser Bondor Ltd. Computer Job plan,Vol 2: Materials and Production Control, 1962
• C228 Marks and Spencer Ltd. Initial Appraisal of Stores Distribution, 1963.
• C229, Job Plan for Jaeger, 1963.
• C230, Heinz Material Scheduling suite specification, 1963.
• C231 report for Lee Cooper, 1963.
• C232 Report for Mothercare (W J Harris ltd.) Sales analysis and stock control, 1963.
• C233 Report for the Society of Motor Manufacturers and Traders, 1963.
• C234, D G Reed, The LEO specification
• C235 Report for Nivisons Valuation of clients' holdings.
• C236 English Electric LEO Vehicle routing
• C 237 Miscellaneous Promotional Literature