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.
PDP-8-S assembly
Digital Equipment Corporation (DEC)
Still image, 1966-12-05
102755399
738A power supply
Digital Equipment Corporation (DEC)
Still image, 1964-12-11
102754740
PDP-8-511 Watertown Arsenal
Digital Equipment Corporation (DEC)
Still image, 1966-12-16
102755452
Payroll savings plan
Digital Equipment Corporation (DEC)
Still image, 1966-07-22
102755293
Computers for fun and profit
Digital Equipment Corporation (DEC)
Still image, 1966-10-04
102755363
G920 rope memory
Digital Equipment Corporation (DEC)
Still image, 1966-10-07
102755368
Teletype class
Digital Equipment Corporation (DEC)
Still image, 1966-10-06
102755370
Octaid and panelaid kits
Digital Equipment Corporation (DEC)
Still image, 1966-1967
102755375
2720 current/voltage calibrator
Digital Equipment Corporation (DEC)
Still image, 1966-11-08
102755402
680-4 data communication
Digital Equipment Corporation (DEC)
Still image, 1966-11-18
102755407
PMA-8
Digital Equipment Corporation (DEC)
Still image, 1966-1967
102755414
West Germany office
Digital Equipment Corporation (DEC)
Still image, 1966-07
102755298
H161 A (1 light)
Digital Equipment Corporation (DEC)
Still image, 1966-07-29
102755301
LINC-8
Digital Equipment Corporation (DEC)
Still image, 1966-08-10
102755306
PDP-10 5003961-0-1A switch
Digital Equipment Corporation (DEC)
Still image, 1966-11-29
102755421
Computer drafting
Digital Equipment Corporation (DEC)
Still image, 1966-07-06
102755279
Power supply (PS) 834 B
Digital Equipment Corporation (DEC)
Still image, 1966-07-07
102755281
2720 current calibrator
Digital Equipment Corporation (DEC)
Still image, 1966-11-29
102755426
PDP-10 Muffin fans
Digital Equipment Corporation (DEC)
Still image, 1967-01-04
102755464
DEChub/Networking brochure
Digital Equipment Corporation (DEC)
Still image, 1998-05
102754682