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.
Cipher Data Products
Cipher Data Products, Inc.
Document, 1985-1989
102736293
Daisy Systems
Daisy Systems Corp.
Document, 1979-1981
102736940
Austin Computer Systems
Austin Computer Systems Inc.
Document, 1993-1998
102736236
Advanced Digital Information Corporation (ADIC)
Advanced Digital Information Corporataion
Document, 1988-1998
102736914
Data General
Data General Corporation
Document, 1975-2000
102736945
High Performance Storage
High Performance Storage
Document, 1993-1995
102736433
Cambex
Cambex Corp.
Document, 1991-1999
102736262
IBM pricing and distribution
International Business Machines Corporation (IBM)
Document, 1992-1995
102739247
Conner Technology
Conner Technology
Document, 1998-2001
102736325
Carry Computer Engineering
Carry Computer Engineering Co. Ltd.
Document, 1994-1998
102736267
AFP Technology
AFP Technology Ltd.
Document, 1998
102736248
Aisin Seiki
Aisin Seiki Co. Ltd.
Document, 1990-1995
102736250
AST Research
AST Research, Inc.; Microsoft Corporation
Document, 1992-1998
102747985
Data Track Technology
Data Track Technology
Document, 1983-1987
102736964
Bytestream Data Systems
Bytestream Data Systems Inc.
Document, 1996-1997
102736255
Honeywell
Honeywell Information Systems, Inc.; CII Honeywell Bull; Honeywell Inc.
Document, 1975-1995
102736438
Ho Shin Sub-System
Ho Shin Sub-System Co. Ltd.
Document, 1986
102736440
Decision Data
Document, 1993-1995; 1997-1998
102736969
Group Sense
Group Sense Ltd.
Document, 1993-1996
102736419
Hammerman Associates
Hammerman Associates Inc.
Document, 1992-1995
102736426