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.
Note: CHM's online catalog has been updated through January 23rd, 2025. A new and improved catalog will be launched in Summer 2025.
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Catalog contains over 151,130 records.
Review of electronic digital computers
American Institute of Electrical Engineers (AIEE)
Document, 1952-02
102683993
Proceedings of the WESCON Computer Sessions
Institute of Radio Engineers (IRE)
Document, 1954-08
102683986
John McPherson Speaking
Still image
102698454
IBM SSEC vacuum tube and relay
Still image, Circa 1948
102698442
SMS Card
Unknown
Physical object, Circa 1959
102718327
Technical reports
International Business Machines Corporation (IBM)
Document, 1969-1972; 1991
102734215
IBM Harvard Mark 1
Document, 1941-1949
102734195
Memorandum: FORTRAN II
Document, 1957-11-01
102653979
Proceedings of the Eastern Joint Computer Conference
American Institute of Electrical Engineers (AIEE)
Document, 1956-12
102684006
Proceedings of the Western Joint Computer Conference
Institute of Radio Engineers (IRE)
Document, 1957-02
102683988
Core memory printed circuit board
Physical object
102745649
Oral histories
Document, 1972-1980
102734205
IBM 5100 portable computer APL computer aided instruction
International Business Machines Corporation (IBM)
Document, 1976
102734229
A personal view of APL
Document, 1983-01
102734231
IBM 650 manuals
International Business Machines Corporation (IBM)
Document, 1955
102734185
IBM research reports and working papers
International Business Machines Corporation (IBM)
Document, 1956-1968
102734200
Memorandum to Mr. J.W. Backus
Document, 1957-09-23
102653978
Memorandum to Mr. J.C. McPherson: FORTRAN II
Document, 1957-11-05
102653980
Proceedings of the Eastern Joint Computer Conference
Institute of Radio Engineers (IRE)
Document, 1953-12
102684005
6 silicon chips
Physical object
102681950