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.
Connector cable
Physical object
102690955
Hollerith 1890 Census machine
Still Image
102630716
RECOMP II user's program no. 1050 - 1069
Autonetics Division, North American Aviation
Document, 1961
102638208
RECOMP II user program no. 1100 - 1119
Autonetics Division, North American Aviation
Document, 1961
102638210
RECOMP III more computations per dollar...
Autonetics Division, North American Aviation
Document, Circa 1961
102638215
RECOMP specifications
Autonetics Division, North American Aviation
Document, Circa 1957
102640587
Amdahl 470V/5-I computing system machine reference manual
Amdahl Corporation
Document, 1979-06
102641035
Palmer's pocket scale : with rules for its use in solving arithmetical and geometrical problems
Aaron Palmer
Document, 1845
B194.81
Apple II: The DOS manual disk operating system
Apple Computer, Inc.
Document, 1981
102640967
Web Pad
Cisco Systems, Inc.
Physical object, Circa 1999
102673639
Printer paper roll
Physical object
102673677
AMDAHL Update: Special edition AMDAHL announces new products
Amdahl Corporation
Document, 1988-06
102641059
V/5, V6 computing parts catalog
Amdahl Corporation
Document, 1980-11
102641030
UPC fram 25 panel CI
Amdahl Corporation
Document
102641028
Unit logic pp. 169-330
Amdahl Corporation
Document
102641023
Rule
Physical object, undated
B365.86
Extended Keyboard
Digital Equipment Corporation (DEC)
Physical object
102647639
Wes Clark demonstrating the LINC
Still Image, 1962-03-27
102630773
AltaVista poster depicting search screens
Altavista
Document
102642146
Chadwick Magic Brain Calculator
Chadwick Company
Physical object, 1955
B1633.01