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.
PCB
Xerox Data Systems, Inc. (XDS)
Physical object
102745715
Xerox Data Systems Maintenance Activity Reports binder
Xerox Data Systems, Inc. (XDS)
Document, 1970-1972
X2473.2002
IT25 NAND Gate
Xerox Data Systems, Inc. (XDS)
Physical object
102743488
Logic Elements
Xerox Data Systems, Inc. (XDS)
Physical object
102743490
Parity Generator
Xerox Data Systems, Inc. (XDS)
Physical object
102743495
Relay driver PCB
Xerox Data Systems, Inc. (XDS)
Physical object
102745714
Logic Elements
Xerox Data Systems, Inc. (XDS)
Physical object
102743491
705328
Document
102688979
RBM
Document
102688974
Read Input Control
Xerox Data Systems, Inc. (XDS)
Physical object
102743499
Logic Element
Xerox Data Systems, Inc. (XDS)
Physical object
102743502
Logic Elements
Xerox Data Systems, Inc. (XDS)
Physical object
102743494
IT25 NAND Gate
Xerox Data Systems, Inc. (XDS)
Physical object
102743487
Encode/decode
Document
102688984
Clock Logic
Xerox Data Systems, Inc. (XDS)
Physical object
102743500
Logic Element
Xerox Data Systems, Inc. (XDS)
Physical object
102743485
Read/Write Coupler
Xerox Data Systems, Inc. (XDS)
Physical object
102743497
PCHMKR
Document
102688985
705380
Document
102688978
Gated Inverter
Xerox Data Systems, Inc. (XDS)
Physical object
102743501