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.
Proceedings of the Western Joint Computer Conference
American Institute of Electrical Engineers (AIEE)
Document, 1956-02
102683987
Core memory printed circuit board
Physical object
102745648
core memory printed circuit board
Physical object
102745650
Flip Chip G0850 module
Digital Equipment Corporation (DEC)
Physical object
102718328
Promotional materials
International Business Machines Corporation (IBM); The Computer Company; I. P. Sharp Associates Limited; APL Computing Services
Document, ca. 1969-1984
102734228
Internal IBM-APL newsletters
International Business Machines Corporation (IBM)
Document, 1968-1971
102734216
IBM 1620 and 700/7000 series manuals
International Business Machines Corporation (IBM)
Document, 1959-1964
102734184
IBM programming manual
International Business Machines Corporation (IBM)
Document, 1966
102734189
Punched card machines
Document, 1937-1950
102734204
Proceedings of the Eastern Joint Computer Conference
Institute of Radio Engineers (IRE)
Document, 1960-12-13
102648849
Proceedings of the Eastern Joint Computer Conference
American Institute of Electrical Engineers (AIEE)
Document, 1959-07
102684007
Proceedings of the Western Joint Computer Conference
Institute of Radio Engineers (IRE)
Document, 1955-03
102683989
Set of small panels
Physical object
102673858
Programming for digital computers
McGraw-Hill Book Company
Document, 1959
102676794
Memory array module
Document, 1972-04-12
102722321
Proceedings of the Western Computer Conference
Institute of Radio Engineers (IRE)
Document, 1953-02
102683991
IBM 5100 manuals
International Business Machines Corporation (IBM)
Document, 1976-1979
102734186
Railroad manual
Pennsylvania Railroad System
Document, 1924-10-09
102734213
Teleprocessing
Document, 1958-1972
102734206
Proceedings of the Institution of Electrical Engineers : convention on digital-computer techniques
Institution of Electrical Engineers (IEE)
Document, 1956-04
102684003