BOX 991 - SETAR documentation, Norman T. Welford

Contains documentation for various versions of the SETAR (Serial Event Timer And Recorder). It was used for recording physiological and behavioral data in the 1950s. Items date through approx 1949-1967. All papers by Norman T. Welford, and various other authors.

Paper drafts of book 'QL-Home Finance' by Buzzz Software
3 A4 Graph Print-outs, likely from QL Home Finance.

Numerous blueprints for SETAR Mk IV rolled into a tube and wrapped in brown paper
Blue folder titled 'SETAR Mk. IV' - history of development & general outline - contains cutout photo of machine.
Blue hard binder containing diagrams & images of SETAR & punched tape. Covers SETAR Mk III, Model 11 SETAR, Fels Model.

Norman T Welford's Resume. multiple pages, in A4 pocket.

Card folder containing:

  • The Times Supplement on the Computer in Industry, Tuesday October 3 1961. Broadsheet, folded
  • The SETAR: An electronic Digital Event Recorder and its use in a Psychophysiological Laboratory by Norman T Welford. Booklet, reprinted from Computers in Psychophysiology by Herbert Zimmer.
  • also contains A4 pocket containing newspaper cutting from Saturday Telegraph April 26 1952, 'The National Institute of Industrial Psychology is carrying out an interesting experiment at Electrolux, in co-operation with the Nuffield Research Unit of Cambridge University.'

Card folder containing hand-drawn and printed SETAR circuit diagrams, Douglas Electronics

Large card folder containing:

  • Black folder containing paper given by Norman T Welford at Int. Cent. Med. Ele. (?) July 16-21 1961 NY.

  • Paper: Digital Methods of Producing Random and Variable Time Intervals, Norman T. Welford, Fels Research Institute. September, 1966

  • Stapled booklet: The SETAR: An Electronic Digital Event Recorder and its uses for recording Physiological and Behavioral Data

  • Stapled Papers: Technical Note: An Accurate Repeat Cycle Timer, 1967.

  • Folded booklet: Individual Differences in Heart Rate Variability in The Human Fetus, Reprinted from American Journal of Obstetrics and Gynecology. 1967.

  • Folded sheet: A Design for a Reliable and Inexpensive Biphasic Stimulator, 1963.

  • Stapled paper: Recording Physiological and Behavioral Data using the SETAR. 1961.

  • Stapled paper: The Analysis of Cardiac Arrhythmia Utilizing the SETAR Mark III and an IBM 1620 Computer, 1963

  • 5 x Blue stapled paper: Computer Identification and Measurement of Cardiac Cyclic Activity. Norman T. Welford, Beatrice C Lacey, 1964.

  • Pocket containing notebooks: 

    • Handwritten 'GR' notebook from 1949-50 contains various contacts and notes.
      • contains 4 circuit diagram drawings on loose sheets of scrap paper.
    • Large notebook 1950-52 notes, one loose sheet.
    • Large notebook 1952-1955, many loose sheets. 
  • Manchester University Computer Inaugral Conference report, containing relevant paperwork, invite, letter, two diagrams. Just some interesting names from the delegate list: 'Turing A. M, Wilkes Dr M. V., W. S. Elliott of Elliott Bros., and Ferranti Sir Vincent De'.

  • Paper in poly pocket: An electronic digital recording machine - The SETAR reprinted from the Journal of Scientific Instruments, vol. 29, 1-4 January 1952

  • Poly pocket containing two stapled sets of sheets containing summary information on the SETAR.

  • Yellow stapled booklet: The SETAR: An electronic Digital Event Recorder and its use in a Psychophysiological Laboratory (perhaps an identical copy earlier in this listing).

    • Contains a letter to Norman T Welford from R. T. electronics, confirming that all models of SETAR incorporate his basic design.
  • The American Psychologist Journal, Vol 10 issue 9 September 1955, contains Norman T. Welford's paper 'Let's reduce statistical drudgery'

    • Contains his letter submitting the paper.
  • Poly pocket containing repeats of published papers by Norman T. Welford.

  • Poly pocket containing:

    • an envelope containing 4 x 35mm slides to be scanned
    • a Kodak photo wallet containing:
      • an 'Electronic Study of Working Rates' cutting, 
      • 4 black and white photos of computer parts (modules?)
  • Poly pocket containing two large black and white prints of Norman T. Welford working at Cambridge Psychological Laboratory, one also featuring Alan T. Welford.

  • Large paperclipped bundles of sheets titled 'N. T. Welford H-2004 III a', likely a project proposal.

    • Also contains a paper 'Progress report on the Human Performance Contract H-2004' by Robert W Ramsey, 1957. One enclosure is submitted by Dr Welford.
  • Card folder containing loose sheets of notes and drawings, copious correspondence between r Welford and R.T. Electronics, technical description and advert material for the SETAR, invoices, and quotations.

This exhibit has a reference ID of CH60643. Please quote this reference ID in any communication with the Centre for Computing History.


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