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.
Factory systems area
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749513
Richard Devlin
Digital Equipment Corporation (DEC)
Still image, 1969
102759062
Press releases from 1974
Digital Equipment Corporation (DEC)
Document, 1974
102753014
System modules 4610 pulse amplifier
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749424
1913 mounting panel
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749417
System module 4216 B Flip-Flops
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749304
System module 4603 pulse amplifiers
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749309
Workplace pictures - PCB layout, drafting, assembly
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749188
System module 1687 A level amplifier
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749296
734 power supply
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749436
Press releases from 1979
Digital Equipment Corporation (DEC)
Document, 1979
102753019
Press releases from 1981
Digital Equipment Corporation (DEC)
Document, 1981
102753021
Authorized ADP schedule price list
Digital Equipment Corporation (DEC)
Document, 1991-1992
102750844
Canadian Standards Association (CSA) certification program
Digital Equipment Corporation (DEC)
Document, 1972-1976
102737683
Sales update indices
Digital Equipment Corporation (DEC)
Document, 1975-1984
102750899
Preventative maintenance procedures
Digital Equipment Corporation (DEC)
Document, 1975-1976
102750781
Education products
Digital Equipment Corporation (DEC)
Document, ca. 1975
102750818
Workers at stations with systems
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749203
Eyes on the Prize PBS series
PBS Video
Moving image, 1987
102737760
People in DEC library
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749208