Elliott / NRDC 401 Mk I Mainframe

Elliott / NRDC 401 Mk I Mainframe Elliott / NRDC 401 Mk I Mainframe

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Elliott/NRDC 401 Computer MkI, c.1953

This computer was used for eleven years at the Rothamsted Agricultural Institute for everything from analysis of crop trials and insect damage to work in the mathematics of genetics. It was brought there by Frank Yates, a wartime operational researcher who established Rothamsted as a peacetime statistical computing centre.

Yates had previously worked under the eminent statistician, Ronald Fisher, who laid the foundation for much of modern statistical research, including randomisation, crucial in clinical as well as agricultural trials today. Yates himself tirelessly encouraged the use of statistical analysis in government research.

Cabinet No.0, for Elliott/NRDC 401 Computer MkI, c.1953

Cabinet No.0

circa 1953

Cabinet No.1, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.1

Cabinet No.2 for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.2, for Elliott/NRDC 401 Computer MkI

Cabinet No.3, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.3

Cabinet No.4, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.4

Cabinet No.5, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.5

Cabinet No.6, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.6

Motor driven Disk Memory Unit, for Elliott/NRDC 401 Computer MkI, c. 1953

Motor driven Disk Memory Unit

Base Unit No.1, for Elliott/NRDC 401 Computer MkI, c. 1953

base unit

Base Unit, made up of two parts, for Elliott/NRDC 401 Computer MkI, c. 1953

basine

Top Unit - the part of the main unit above the indivdual cabinets, made up of two parts, for Elliott/NRDC 401 Computer MkI, c. 1953

top unit

6 side panels for cabinets 1-6, 2 side panels for cabinet 0, and 1 end panels.Detached from main unit. For Elliott/NRDC 401 Computer MkI, c. 1953

side panels

Air Filters and other accessories, for Elliott/NRDC 401 Computer MkI, c. 1953

air filters

Set of Interconnecting Cables, for Elliott/NRDC 401 Computer MkI, c. 1953

interconnecting cables

Alternator Control Unit, for Elliott/NRDC 401 Computer MkI, c. 1953

Alternator Control Unit

Engineer's Test Unit, for Elliott/NRDC 401 Computer MkI, c. 1953

engineer's test unit

Operator's Console, fitted with Olivetti Lexicon 80E Electric Typewriter,for Elliott/NRDC 401 Computer MkI, c. 1953

electric typewriter

Manuals and documentation, for Elliott/NRDC 401 Computer MkI, c. 1953

Manuals and documentation

Temperature gauge (left hand side when facing) from Elliot 401, for Elliott/NRDC 401 Computer MkI, c. 1953

Temperature gauge (left hand side when facing) from Elliot 401

Temperature gauge (right hand side when facing), for Elliott/NRDC 401 Computer MkI, c. 1953

Temperature gauge (right hand side when facing)

Four side panels and one end panel for Elliott / NRDC 401 Computer MkI, by Elliott Brothers (London) Limited, London, England, 1952-1953. Each side panel has red stickers marked 3, 4, 5 and six which indicates the cabinet-number.

Four side panels and one end panel for Elliott / NRDC 401 Computer MkI

1952-1953

Faulty valves that have been removed from the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited, original components

Faulty valves that have been removed from the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited

1952-1953

Two air filters that would have been located in cabinet one of the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited, original components

Two air filters that would have been located in cabinet one of the Elliot / NRDC 401 Computer MkI

1952-1953

Two sequence switches that were part of the alternator for the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited, original components

Two sequence switches that were part of the alternator for the Elliot / NRDC 401 Computer MkI

1952-1953

Metal bars for joining cabinets together in the Elliot / NRDC 401 Computer MkI

Metal bars for joining cabinets together in the Elliot / NRDC 401 Computer MkI

1952-1953

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Details

Category:
Computing & Data Processing
Object Number:
1965-445
Materials:
metal , plastics , electronic components and wiring, glass
Measurements:
Main Unit of Cabinets with Top Unit, Base Unit and End Panels included:: 2465 mm x 4187 mm x 610 mm, 1118 kg
type:
mainframe
credit:
National Research Development Corporation