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.
PDP-11 software handbook
Digital Equipment Corporation (DEC)
Document, 1975
102683351
PDP-11 handbook
Digital Equipment Corporation (DEC)
Document, 1969
102683349
Logic module handbook, logic component packaging
Interdata, Inc.
Document, 1967
102683762
IBM 5280 Assembler Language Reference Manual
International Business Machines Corporation (IBM)
Document, 1981-04
102678996
Rsx-11m/m-plus task builder manual
Digital Equipment Corporation (DEC)
Document, 1979
102685186
Dec rsx-11m Version 3.2 volume 1
Digital Equipment Corporation (DEC)
Document, 1979
102685181
The INFOS System Storybook
Data General Corporation (DGC)
Document, 1978-12
102683370
Microfilm equipment, 4th edition
Alan Gordon Enterprises Inc.
Document, Circa 1975
102686881
6130 preliminary reference manual, reference manual
Electro-Mechanical Research, Inc. (EMR)
Document, 1966-1967
102686780
FORTRAN IV general description
Electro-Mechanical Research, Inc. (EMR)
Document, 1968
102686778
Computers in the classroom
Digital Equipment Corporation (DEC)
Document, 1968
102683394
Image 3000 and query 3000 information
Hewlett-Packard Company (HP)
Document, 1974
102683628
Bar code reader literature
Interface Mechanisms, Inc. (INTERMEC)
Document, 1980-1982
102683712
40+ data display system
International Communications Corporation (ICC)
Document, 1974
102683729
IDS-16 general purpose minicomputer
International Digital Systems, Inc.
Document, 1974-05-01
102683731
Decade 70 the system computer
Decade Computer Corporation
Document, 1968
102685148
Versalogic and store memory
Decision Control, Inc.
Document, 1967
102685150
Spectra 70 system 70/15 training manual
RCA Corporation
Document, 1965-01
102687149
Spectra 70 processors 70/4555 reference manual
RCA Corporation
Document, 1965-06
102687144
SDS Delta Preprocessor, OPERATING SYSTEM (DEPOS)
Scientific Data Systems (SDS)
Document, 1968-01
102687377