Memory, drum

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Ingenium, 1980.0307.001
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OBJECT TYPE: MAGNETIC
DATE: 1969
ARTIFACT NUMBER: 1980.0307.001

MANUFACTURER: Sperry Gyroscope Co. Ltd.
MODEL: C
LOCATION: Brentford, England

More Information

General Information

Serial #: L29973
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL CASING & PARTS/ SYNTHETIC PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 43.0 cm
Width: 43.0 cm
Height: 58.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Computing Technology
Category: Digital computing devices
Sub-Category: N/A

Manufacturer

AKA: Sperry
Country: England
State/Province: Unknown
City: Brentford

Context

Country: Canada
State/Province: Ontario
Period: 1969-1978?
Canada: A BRITISH MADE COMPUTER MEMORY UNIT WHICH FORMED A COMPONENT OF A COMPUTER SYSTEM MADE & MARKETED BY THE CANADIAN FIRM STRAND ELECTRIC OF TORONTO. IT WAS USED AT ONE OF CANADA'S MAJOR PERFORMING ARTS VENUES & WAS THE FIRST LIGHTING SYSTEM OF THIS TYPE IN USE IN A CANADIAN THEATRE.
Function: THE DATA STORAGE DEVICE OR MEMORY OF A COMPUTER, SPECIFICALLY USED TO STORE VOLTAGE & CUE INFORMATION FOR EACH LAMP IN A THEATRICAL LIGHTING SYSTEM.
Technical: A COMPONENT OF THE INSTANT DIMMER MEMORY SYSTEM FOR THEATRE LIGHTING CONTROL, WHICH WAS AN EARLY USE OF COMPUTER MEMORY IN THIS FIELD, 'A NOVEL PRINCIPLE'ACCORDING TO THE 1969 MANUAL/ DEVELOPED IN THE EARLY 1950'S, MAGNETIC DRUM STORAGE DEVICES PROVIDED DIRECT ACCESS TO STORED DATA.
Area Notes: Unknown

Details

Markings: PLATES ON SIDE READING 'MAGNETIC STORAGE DRUM/ TYPE I C/ PART NO. 22220S-0100/ MADE IN ENGLAND BY/ SPERRY GYROSCOPE CO. LTD./ BRENTFORD MIDDLESEX' & 'SERIAL NO. L.29973'/ CAST 'SPERRY' IN CASING TOP
Missing: N/A
Finish: TEXTURED GREY & GREY ENAMEL PAINTED PARTS/ MULTICOLOURED SYNTHETIC/ METALLIC PARTS
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Sperry Gyroscope Co. Ltd., Memory, drum, circa 1969, Artifact no. 1980.0307, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1980.0307.001/

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