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.
Search the Catalog
Catalog contains over 151,130 records.
Locus master
Document, 1977-11
102786728
Datapoint Equipment Catalog
Datapoint Corporation
Document, 1974
102751310
Datapoint Equipment Catalog
Datapoint Corporation
Document
102751311
Computer design
RCA
Document, 1969
102784701
Register descriptions
Document
102784132
Novadisc
Data General Corporation
Document, 1973
102775103
Software & Documentation Schedule
Datapoint Corporation
Document, 1976-04
102751312
Command executive (presentation material)
Honeywell Information Systems, Inc.
Document, 1984
102786103
DOS/VSE handbook
IBM Corporation
Document, 1979-02
102786367
Wirelist : disk control
Honeywell Information Systems, Inc.
Document, 1973
102786052
Inside F83
Offete Enterprises, inc.
Document, 1985-06
102774552
DATANET-30 system manual
General Electric
Document, 1963
102766244
Diagnostic configurator reference manual
Hewlett-Packard Company (HP)
Document, 1980-10
102786172
HSC70 service manual
Digital Equipment Corporation (DEC)
Document, 1986-09
102774336
Data communications configurator
General Electric
Document, 1966-11
102775997
GE-115 system manual
General Electric
Document, 1965-1966
102776015
FORTH notebook
Offete Enterprises, Inc.
Document, 1986-07
102774704
ForthCard user's manual
HiTech equipment corporation
Document, 1984-11-08
102776027
Data transmission services
Bell Laboratories
Document, ca. 1965
102738320
HYPERchannel A110 adapter : reference manual
Network Systems Corporation
Document, ca. 1980
102738325