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.
H712
Digital Equipment Corporation (DEC)
Still image, 1969
102758329
UR14
Digital Equipment Corporation (DEC)
Still image, 1973
102759271
Terminator block
Digital Equipment Corporation (DEC)
Still image, 1971
102760812
VT20
Digital Equipment Corporation (DEC)
Still image, 1973
102759303
K903
Digital Equipment Corporation (DEC)
Still image, 1970
102759149
DDM70 modules
Digital Equipment Corporation (DEC)
Still image, 1974-06
102759341
KL10 controller
Digital Equipment Corporation (DEC)
Still image, 1974-04
102759327
DECUS
Digital Equipment Corporation (DEC)
Still image, 1969
102759006
RS08
Digital Equipment Corporation (DEC)
Still image, 1969
102758130
Terminator assembly
Digital Equipment Corporation (DEC)
Still image, 1971
102760813
Schedule board
Digital Equipment Corporation (DEC)
Still image, 1971
102760820
Modules
Digital Equipment Corporation (DEC)
Still image, 1971
102760801
PDM70
Digital Equipment Corporation (DEC)
Still image, 1973
102766948
PDP-8A modules
Digital Equipment Corporation (DEC)
Still image, 1974-04
102759330
Typeset system VT20B
Digital Equipment Corporation (DEC)
Still image, 1974-05
102759335
LPC11
Digital Equipment Corporation (DEC)
Still image, 1973
102766944
Piping
Digital Equipment Corporation (DEC)
Still image, 1971
102758732
PDP-8/E
Digital Equipment Corporation (DEC)
Still image, 1971
102760814
EDP group
Digital Equipment Corporation (DEC)
Still image, 1971
102760794
PDP-8/M
Digital Equipment Corporation (DEC)
Still image, 1971
102760802