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.
SPL (Symbolic Programming language) reference manual
Scientific Control Corporation (SCC)
Document, 1966
102687226
DEC software support and customer training
Digital Equipment Corporation (DEC)
Document, 1979-1980
102683419
Technical documentation
Digital Equipment Corporation (DEC)
Document, 1979-01
102683402
Data Processing Glossary Sixth Edition
International Business Machines Corporation (IBM)
Document, 1977-10
102683806
Univac 490 Modular Real-Time Systems
Sperry Rand Corporation. Univac Division
Document, Circa 1965
102687290
The micro-processors
National Semiconductor Corporation (NSC)
Document, 1974
102687017
Model A software systems general information
Multidata Inc.
Document, 1970-04
102683907
Symbolic editor manual
Multidata Inc.
Document, 1970-05
102687000
MA/ 10 operating reference manual systems 72
Multidata Inc.
Document, 1970-10
102687005
Micos extensive basic reference manual
Mini-Computer Systems, Inc.
Document, 1977-05
102683875
SDS Model 7450 225 - LPM Line Printer
Scientific Data Systems (SDS)
Document, 1968
102687389
SDS Model 7901 Peripheral Equipment Tester
Scientific Data Systems (SDS)
Document, 1968
102687391
SDS Models 7020 and 7021 Keyboard/Printers
Scientific Data Systems (SDS)
Document, 1968
102687396
Record Punch For Hospitals
Standard Register Co.
Document, Circa 1960
102687257
IBM 5280 Utilities Reference / Operation Manual
International Business Machines Corporation (IBM)
Document, 1981-04
102678989
The baby brother system
Lawrence Livermore Laboratory
Document, 1975-11
102686963
The printronix 300
Printronix
Document, 1974
102687101
TELEMETRY SYSTEMS An Introduction
Scientific Data Systems (SDS)
Document, 1967-06
102687372
Hand -held computer and peripheral devices
Panasonic Corporation of North America
Document, 1983
102687074
Univac 1100 series exec 8 hardware/software reference
Sperry Rand Corporation
Document, 1971
102687341