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Remington Rand Univac Minimum Latency Calculator Slide Rule

National Museum of American History

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Object Details

Remington Rand Univac
Description
This circular device was an aid to programming the UNIVAC solid state computer. It consists of a paper disc, with equal divisions running from 1 to 200 near the edge, and a clear plastic rotating disc. These are pivoted together at the center. The upper disc is marked in red with two perpendicular diameters. The lower disc is marked: MINIMUM LATENCY CALCULATOR FOR THE UNIVAC SOLID-STATE COMPUTER. The UNIVAC had a magnetic storage drum on which locations were specified numerically. The latency calculator allowed programmers to write code for the machine to make the most efficient possible use of the drum memory.
The back of the instrument gives a list of instruction codes and corresponding execution times for words. It is marked: Remington Rand Univac. It is also marked: U1767 Rev. 1 PRINTED (/) IN (/) U.S.A. The rule was received in a paper bag.
Reference: Sperry Rand Corporation, Simple Transition to Electronic Processing, UNIVAC Solid-State 80, (1960), 18–26.
Location
Currently not on view
after 1950
ID Number
2005.0271.01
accession number
2005.0271
catalog number
2005.0271.01
Object Name
calculating rule
slide rule
Physical Description
paper (overall material)
plastic (part material)
metal (part material)
Measurements
overall: .1 cm x 14 cm x 14 cm; 1/32 in x 5 1/2 in x 5 1/2 in
place made
United States: New York, New York City
See more items in
Medicine and Science: Mathematics
Computers & Business Machines
Science & Mathematics
Slide Rules
National Museum of American History
subject
Rule, Calculating
Mathematics
Record ID
nmah_1295854
Metadata Usage (text)
CC0
GUID (Link to Original Record)
http://n2t.net/ark:/65665/ng49ca746ab-c7b3-704b-e053-15f76fa0b4fa

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Slide Rule, Remington Rand Univac Minimum Latency Calculator, Front View
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