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.
People playing Spacewar! on the DEC PDP-1
Still Image, Circa 1964
102652459
History - people working on PDP-1 before shipment
Digital Equipment Corporation (DEC)
Still Image, ca. 1961
102631270
PDP-1 interior, back of bay 3 plenum door
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749542
PDP-7-121, USA #1 incremental display control panel
Digital Equipment Corporation (DEC)
Still image, 1966-09-30; 1966-11-11
102755359
PDP-1 with person and 854-C power supply
Digital Equipment Corporation (DEC)
Still image, 1969
102758170
History - Stanley Olsen with PDP-1 at Harrison Field site
Digital Equipment Corporation (DEC)
Still Image, ca. 1960
102631221
History - PDP-1 at the Tech Model Railroad Club
Digital Equipment Corporation (DEC)
Still Image, ca. 1961
102631219
PDP-1 interior, bay 2 logic panels 2D to 2J
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749562
PDP-1 interior, bay 3 logic panels 3H to 3K
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749543
Man and woman at early PDP-1 console
Digital Equipment Corporation (DEC)
Still image, ca. 1959
102749062
Marginal check - PDP-10 bays 1-2-3
Digital Equipment Corporation (DEC)
Still image, 1967-01-27
102755482
Marginal check - PDP-10 bays 1-2-3
Digital Equipment Corporation (DEC)
Still image, 1967-01-27
102763930
DEC PDP-1 X-Y point plotter display
Still Image
102630815
Two men working on a DEC PDP-1 system
Still Image
102652244
History - Dan Edwards looking at PDP-1 monitor
Digital Equipment Corporation (DEC)
Still Image, ca. 1962
102631267
The Tech Model Railroad Club and PDP-1
Still Image, Circa 1961
102649722
PDP-1 interior, top of bay 3 plenum door
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749539
PDP-1 interior, top of bay 3 plenum door
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749541
PDP-1 interior, behind bay 3 plenum door
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749565
PDP-1 control panel and tube of resistors
Samuels Studio of Photography; Digital Equipment Corporation (DEC)
Still image, ca. 1960
102749832