From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.
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Catalog contains over 148,328 records.
Simulation equations
Document
102634667
"Rug" problem
Document
102636218
Calculations
Document
102635561
Exchange busy indicator
Document, July 9, 1957
102632706
Stretch instruction set
Document, Oct. 20, 1955
102632232
Automatic program interrupt control
Document, [195?]
102632679
Exchange communication specifications
Document, Apr. 18, 1957
102632686
Split memory cycles
Document, May 10, 1957
102632693
Rough sketch of system architecture
Document, [1956?]
102632643
Buffering
Document, Apr. 12, 1956
102632275
Reorganization
Document, Mar. 31, 1958
102634997
No title available
Document, [1958]
102634966
Possible plans
Document, [1961]
102632636
Table searching
Document, May 23, 1957
102635072
Multiprogramming - Codd
Document, Apr. 13, 1959
102635084
Shared variables
Document, May 10, 1971
102632321
Slow-down signal
Document, Oct. 21, 1958
102632530
Channel adapter
Document, Nov. 10, 1958
102632535
Occupancy blueprint
International Business Machines Corporation (IBM)
Document, 1963-12-16
102679296
Blank 701 calculator programming forms
Document
102634663