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GERT and DAISY
The two DEUCE machines at Mathematical Services Department, Royal Aircraft
Establishment, Farnborough.
Pat Walter is sitting at the control desk of Gert
and Kathleen Mills is standing in front of the output punch of Daisy
( © Pat Walter )
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The photo above was used on the front cover of the English Electric Sales
Brochure (ES/126 - 055730B&W)
which is reproduced as the home page for this DEUCE website.
Some retouching appears to have been done to remove the Gert and Daisy boards
and the large
English Electric logo at the front of Gert.
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Deuce Mk 1 at NPL Teddington
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A Deuce in the Lab. at Kidsgrove in August 1956
From the back:-
Vic Mathews, Derek Savory, John Newman and Jeremy Walker
( © P J Walker )
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Three machines in production at Kidsgrove in 1958.
Jeremy Walker furthest away, (working, perhaps, on the Glasgow or Whetstone
machine),
Luigi (Rocky) Marciano centre and Frank Thompson on the foreground machine.
This photo appeared on page 23 of English Electric Sales Brochure ES/151A
(Thanks to Noel Wesson)
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"Bob Mc Call at the Console with me (Alan Gray) standing by the m/c
intelligently
inspecting a waveform on the typical oscilloscope provided for
maintenance purposes.
The photographer thought it would help the composition so Bob is wearing my
sports jacket whilst I am shirt-sleeved by the ‘scope."
( © Alan Gray )
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Deuce at EE Kidsgrove
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English Electric London Computing Centre.
This photo shows all units of the Deuce.
Jack Richardson is seated at the
control desk with the card reader on his left. George Davis is removing
cards from the punch. Behind
the punch, against the wall, is the power supply. Between the power supply and
the main frame is the "mushroom" which contains the 12 mercury delay lines.
This photo appeared on page 3 of English Electric Sales Brochure ES/151A
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George Davis program testing on the DEUCE in EE London Computer Centre,
Marconi House, Strand.
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Engineer Training course at Kidsgrove in 1958. ---
From left to right.
Bob Collins - Gordon Jones - ???? - Thin Nenseth - ???? - Noel Wesson - John
Bishop
The instructor is Arthur Bailey
This photo appeared on page 22 of English Electric Sales Brochure ES/151A
(Thanks to Noel Wesson)
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DEUCE Mk II being installed at the Central Bureau of Statistics, OSLO in 1960.
From left to right.
Thin Nenseth - Bob McCall - John Newman - Ola Grindal
( ©
Thin Nenseth )
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This photo of the DEUCE installation in Oslo is from the book
"Norsk
Regnesentral' (NR)
1952 - 2002
ISBN 82-539-0493-2"
The caption reads
"The electronic computer DEUCE. The machine, which was delivered the 8th May
1959, continued to be the most important one amongst the machines NR used until
the autumn 1963." Thanks to Thin Nenseth for this item and the translation
from Norwegian.
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"Deuce being demonstrated to a group of scientists (by Colin Haley) at the
Nelson Research
Laboratories"
From a photo copy of the English Electric Sales Brochure - Publication
ES/126 - 055730B&W
Thanks to Kathleen Williams, nee Mills
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Program Testing
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E. E. Kidsgrove staff. G. G. Allway on the left.
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UTECOM - The DEUCE at the University of Technology NSW Australia ( © ACMS
(NSW) )
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UTECOM - A series of photographs in the
PICMAN
catalogue at the
Mitchell Library.
"The photos look like they were taken in September 1956 when the
machine was virtually in one piece."
(Robin Vowels)
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Side view of Control Desk showing cabling to the Card Reader with the
Card Punch and Power Supply in the background.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Left hand side of machine with all electronics bay doors open, the
magnetic drum and associated electronics can be seen at the rear.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Hollerith Card Punch
The four left hand rotary switches are for card number. The eight right hand
rotary switches are for job number.
Cabinets of 80 column card trays in the background.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Hollerith Card Reader
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Card Reader - Control Desk - Card Punch
Punch Card Cabinets and Power Supply at the rear.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Inside the computer, note the maintenance engineers timbered walkway.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Magnetic Drum and associated electronics bay.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - The 'mushroom' with the top cover removed.
The transmitters and receivers are arranged around the cylinder containing the
12 mercury filled folded delay lines.
One delay line is shown mounted in the maintenance cradle.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - The Power Supply cabinet with CRO alongside. 'Mushroom' at the rear.
© Courtesy of Mitchell Library, State Library of New South Wales
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UTECOM - Keith Titmus making adjustments to the magnetic drum. ( ©
Keith Titmus )
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UTECOM - Remembering Deuce … here’s a pix of Ron Smart at the console. (Gordon
Bell)
( © Gordon Bell
)
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Geoff Wardell and David Lee (left) posing by the magnetic
drum bay of the DEUCE computer in the Mathematics Department of the Marconi
Company at Great Baddow, near Chelmsford, Essex.
The photograph would have
been taken in 1962
( ©
David Lee )
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Barbara Salisbury operating the 32 Column Deuce at BAC Warton in 1958.
Observant Deuce users may notice some subtle additions. Check
Deuce Tech Note
for details
(© English Electric photograph, reproduced with permission - Steve
Allcock)
This photo appeared on page 19 of English Electric Sales Brochure ES/151A
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TS 16 (Temporary Store)
Mercury Delay Line - 32 u sec
The lengh was adjusted using the thumbscrew at the top, there would have been
another signal cable to top left.
(Property of David Leigh,
photographed by David Green 2005)
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Folded
Mercury Delay Line - 1024 u sec
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The 'mushroom' housed the 12 long delay lines
The transmitters and receivers were arranged around the 'balcony' at the top
The folded delay lines (see above) were mounted vertically in the central
cylinder
The temperature inside the mushroom was thermostatically controlled at 44.7C (
John Deane )
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Long Delay Line Transmitter.
(Property of David Leigh,
photographed by David Green 2005)
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Long Delay Line Receiver.
(Property of David Leigh,
photographed by David Green 2005)
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"Have pipe, will adjust.... I think this illustrates the (rather finicky)
adjustment of the timing of a mercury delay line. I believe that it was
accomplished by varying its length, using a vernier screw. The equipment to the
right is almost certainly a piece of special-purpose test kit." Brian Rowe
13-1-91 (Scan of an image of a photo copy of a document unearthed by David
Leigh)
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Drum - Early Model as fitted to the first machine at RAE. The two solenoids at
the top move the two sets of independent read and write head to 16 positions.
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Drum - Later Model
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Deuce Boundary Diagram
From the original EE Deuce Manufacturing Data Microfilm
Thanks to Jeremy Walker
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Deuce Mk 1 chassis layout, including AIM (Automatic Instruction Modifier,
'Auto Joe')
)
From the original EE Deuce Manufacturing Data Microfilm - Aperture card K18S
13213 dated 31/7/57
Hand drawn by Jeremy Walker 29/08/04 ( © P J Walker )
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Chassis - Circulation Unit. One required by each mercury delay line.
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"The Computer Assembly and wiring shops at Kidsgrove"
From a photo copy of the English Electric Sales Brochure - Publication ES/126
- 055730B&W - (Possibly May 1957 JB)
Thanks to Kathleen Williams, nee Mills
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Most of the valves used in the RAE machines were British Government CV types.
Thanks to Jeremy Harmer who produced this photo from his collection at the
Virtual Valve Museum.
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The Tektronix Oscilloscope Model 545A (1957) or 545B (1960) was used at most
Deuce sites
102 Valves - Dual Trace - Green screen CRT - 15MHz Bandwidth - £600 - Trolley
mounted
( Check out
The Valve Page
for more detail)
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The AVO multimeter - Model 8 - Common to all Deuce sites
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