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.
Module Spacers
Physical object
102730027
Hardware
Physical object
102730014
Shock mounts
Physical object
102730002
Timer switch
Haydon
Physical object
102729928
Hinges
International Business Machines (IBM)
Physical object, Circa 1964
102729986
Machine feet
Physical object
102730054
Machine type 2302
International Business Machines (IBM)
Document, 1965-1973
102739006
Machine feet
Physical object
102729987
Terminal block
Physical object
102716650
Relay
RBM
Physical object
102729926
Terminal block
Physical object
102729927
Assortment of small lightbulbs
Physical object
102730025
Vacuum tube shield
Elco
Physical object
102716878
Lamp holders
Physical Object
102751994
Brackets
"Наука" (Nauka publishing house, Moscow)
Physical object
102729985
Miscellaneous hardware
Physical object
102730057
Switches
Physical object
102729992
Card input tray for a sorter
Physical object
102716862
Junction box
Packard Bell Computer
Physical object
102716684
Vacuum tube type 6072
Various
Physical object, Circa 1959
102716879