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.
Large systems news
Digital Equipment Corporation (DEC)
Document, 1985-1986
102749607
Product journal presenter's guide
Digital Equipment Corporation (DEC)
Document, 1983
102750902
Production systems reference guides
Digital Equipment Corporation (DEC)
Document, 1991
102752915
VAX 9000 product information poster
Digital Equipment Corporation (DEC)
Document, 1989
102752922
Field Service slide show
Digital Equipment Corporation (DEC)
Still image, 1981-09
102753090
Retouched ADX computer
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749575
Facilities - Finland
Digital Equipment Corporation (DEC)
Still image, 1994-10
102748882
6603 module
Digital Equipment Corporation (DEC)
Still image, 1964-03-13
102753538
Keyboard
Digital Equipment Corporation (DEC)
Still image, 1979-09
102755988
Microtape 555/550
Digital Equipment Corporation (DEC)
Still image, 1964-03-06
102753514
6111 module
Digital Equipment Corporation (DEC)
Still image, 1964-03-06
102753519
6151 module
Digital Equipment Corporation (DEC)
Still image, 1964-03-06
102753521
PDP-1 control panel
Digital Equipment Corporation (DEC)
Still image, 1962-11-14
102753312
PDP-5-18 at Westinghouse
Digital Equipment Corporation (DEC)
Still image, 1964-03-02
102753507
Data channel indicator panel
Digital Equipment Corporation (DEC)
Still image, 1963-06-13
102753317
4114 module
Digital Equipment Corporation (DEC)
Still image, 1963-06-17
102753324
6207 module
Digital Equipment Corporation (DEC)
Still image, 1964-03-13
102753526
6122 and 6124 modules
Digital Equipment Corporation (DEC)
Still image, 1964-03-13
102753533
PDP-11/05
Digital Equipment Corporation (DEC)
Still image, ca. 1972
102753329
Module tester with Jennifer Johnson
Digital Equipment Corporation (DEC)
Still image, 1963-06-17
102753331