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.
Search the Catalog
Catalog contains over 151,130 records.
Tree operations
Compaq
Document, undated
102739868
Multi-chip module container
Physical Object, 1991
102703659
Multi-chip module container
Physical Object, 1989
102703661
Microsystems
Digital Equipment Corporation (DEC)
Document, 1984-1986
102750821
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
Chip in ceramic package
Physical Object, 1997-12
102703655
Silicon wafer carrier
Fluoroware Inc.
Physical object
102692865
Power supply
ACDC Electronics
Physical object
102692841
ADU board
Document, Undated
102667868
Panel
Physical object
102729288
Sticker
Digital Equipment Corporation (DEC)
Physical Object
102703643
Annual report
Digital Equipment Corporation (DEC)
Document, 1990
102752936
LPC11
Digital Equipment Corporation (DEC)
Still image, 1973
102766944