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.
MSA bumper sticker
Physical object
102657429
MSA playing cards
Physical object
102657431
MSA paperweight
Physical object
102657428
MSA desktop calendar
Physical object
102657430
AR and BR core memory stacks for severe environments
Ampex Corporation
Document, 1968-03
102646742
MSA cross-stitch
Physical object
102657432
Typewriter diskette module
International Business Machines (IBM)
Document, 1983
102725122
Apple manuals
Apple Computer, Inc.
Document, 1984
102724422
Personal correspondence
Document, 1992
102734078
Personal correspondence
Document, 1971-1980
102734075
Personal correspondence
Document, 1993
102734079
Honeywell photographs
Still image, undated
102734081
25 years
ADAPSO
Document, 1986
102734086
The Odetics space odyssey
Document, 2007-12
102740348
Bunker-Ramo Corporation
Bunker-Ramo Corporation
Document, 1969-1970
102804182
Diablo manuals
Blizzard Entertainment
Document, 1996-2000
102724083
Collators General Information Manual
International Business Machines Corporation (IBM)
Document, 1959
102648825
Personal correspondence
Document, 1991
102734077
Operator's Manual for 704-705 Auxiliary Equipment
International Business Machines Corporation (IBM)
Document, 1957
102649794
ASI-210 digital computer system price list
Advanced Scientific Instruments
Document, 1962
102641733