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.
Programmable pulse generator (PPG) 2120
Digital Equipment Corporation (DEC)
Still image, 1965-11-04
102755065
Data acquisition system
Digital Equipment Corporation (DEC)
Still image, 1965-03-31
102753843
Flip chip module A300
Digital Equipment Corporation (DEC)
Still image, 1965-04-06
102753848
PDP-8-78, Lancaster News #2
Digital Equipment Corporation (DEC)
Still image, 1965-11-10
102755072
Power supply 779A
Digital Equipment Corporation (DEC)
Still image, 1965-11-17
102755077
738 PS
Digital Equipment Corporation (DEC)
Still image, 1966-03-29
102755185
163C memory
Digital Equipment Corporation (DEC)
Still image, 1966-03-16
102755173
W989
Digital Equipment Corporation (DEC)
Still image, 1966-03-22
102755178
Tape punch
Digital Equipment Corporation (DEC)
Still image, 1966-04-13
102755205
Drafting room
Digital Equipment Corporation (DEC)
Still image, 1964-12-29
102753735
H 901 patch cord panel
Digital Equipment Corporation (DEC)
Still image, 1965-05-17
102753886
DECUS meeting
Digital Equipment Corporation (DEC)
Still image, 1966-04-21
102755212
Jon Fadiman accepting plaque from PAA
Digital Equipment Corporation (DEC)
Still image, 1964-12
102753747
PDP-8 at NASA
Digital Equipment Corporation (DEC)
Still image, 1966-04-01
102755192
739C power supply
Digital Equipment Corporation (DEC)
Still image, 1966-04-01
102755197
LINC-8
Digital Equipment Corporation (DEC)
Still image, 1966-04-05
102755200
570 mag tape suitcase tester
Digital Equipment Corporation (DEC)
Still image, 1965-05-24
102753906
Lowell Tech module donation
Digital Equipment Corporation (DEC)
Still image, 1967-01-13
102755469
570 mag tape clamp arm linkage
Digital Equipment Corporation (DEC)
Still image, 1965-05-19
102753893
NE sales office
Digital Equipment Corporation (DEC)
Still image, 1965-05-20
102753898