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.
Formatting in the APL PLUS system
Scientific Time Sharing Corporation
Document, 1977
102685760
APL PLUS service catalog
Scientific Time Sharing Corporation
Document, 1977-10
102685765
VECTOR - The journal of the British APL Association
British APL Association
Document, 1995-04
102685772
The I. P. Sharp newsletter - 15 issues
I.P. Sharp Associates
Document, 1978-1984
102685777
Enhancements in the APL PLUS system - User's guide
Scientific Time Sharing Corporation
Document, 1979-05
102685784
NEWS of APL PLUS service - 10 issues
STSC, Inc.
Document, 1979-1988
102685811
SEL 32/75
SYSTEMS Engineering Laboratories S.A.
Document, Circa 1975
102685847
A course in APL \ 360
Addison-Wesley Publishing Company, Inc.
Document, 1973
102725143
Honeywell Keyboards button
Honeywell Inc.
Physical object
102633038
PC Button
International Business Machines Corporation (IBM)
Physical object
102633045
ASHTON-TATE button
Ashton-Tate Corporation
Physical object
102633040
COMPUTERWORLD button
ComputerWorld
Physical object, ca. 1982
102628907
IBM button
International Business Machines Corporation (IBM)
Physical object, Circa 1981
102632991
Jack 2 button
Physical object
102632989
International Micro Systems button
Internation Micro Systems
Physical object, 1979; 1990
102633007
APL Button
Scientific Time Sharing Coroporation (STSC)
Physical object
102633002
COMPUTERWORLD button
ComputerWorld
Physical object, ca. 1982
102633014
APLplus Tine-Sharing - Program library users guide
Scientific Time Sharing Corporation
Document, 1969-09
102685779
APL Market Newsletter - 9 issues
Southwater Corp.
Document, 1980-1981
102685774
APL/360 Primer
International Business Machines Corporation (IBM)
Document, 1970-01
102685786