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.
Hand card notcher
Physical object
102641972
Apple Lisa keyboard
Apple Computer, Inc.
Physical object, 1983
102638277
Optacon Print Reading System leather case
Telesensory Systems, Inc
Physical object
X229.83B
Printer
C. Itoh Electronics, Inc.
Physical object
102673704
Thermal Ribbon Printer
Radio Shack, A Division of Tandy Corporation
Physical object
102673684
Hebrew Selectric type elements in case
International Business Machines Corporation (IBM)
Physical object
102673665
Division of Employment Security Identification Card
The Commonwealth of Massachusetts, Division of Employment Security
Physical object, Circa 1974
102716218
Printer ribbons
Physical object
102673672
Connector cable
Physical object
102690955
Web Pad
Cisco Systems, Inc.
Physical object, Circa 1999
102673639
Printer paper roll
Physical object
102673677
Rule
Physical object, undated
B365.86
Extended Keyboard
Digital Equipment Corporation (DEC)
Physical object
102647639
Chadwick Magic Brain Calculator
Chadwick Company
Physical object, 1955
B1633.01
88 Plugboard
Systems Sales Company
Physical object
102638291
Macintosh II
Apple Computer, Inc.
Physical object, 1987
102640582
Setchell Carlson monitor
SC Electronics, Inc.
Physical object
102647588
Monitor
Physical object
102647590
Falco 5220s
Falco Data Products
Physical object
102647634
HP-35 Pocket Calculator plastic case
Hewlett-Packard Company (HP)
Physical object, 1972
X1597.99C