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.
PDP-11 cobol language reference manual
Digital Equipment Corporation (DEC)
Document, 1978-11
102683337
PDP-11 product bulletins and descriptions
Digital Equipment Corporation (DEC)
Document, 1974-1979
102683440
PDS 1020 - the engineer's computer
Pacific Data Systems, Inc.
Document, 1966
102687043
SCERT II simulation library
Performance Systems Incorporated (PSI)
Document, Circa 1970
102687055
Punched Tape Products
Electronic Engineering Company
Document, Circa 1973
102686696
RCA memory products
RCA Corporation. Electronic Data Processing
Document, 1968
102687132
IPC BuCom system
Information Products Corporation (IPC)
Document, Circa 1970
102683700
IAS/RSX fortran IV user's guide
Digital Equipment Corporation (DEC)
Document, 1979
102685206
Multiprogramming system manual
Digital Equipment Corporation (DEC)
Document, 1965
102683301
PDP-8/l system user's guide
Digital Equipment Corporation (DEC)
Document, 1968
102683306
Keyboard monitor guide PDP-9
Digital Equipment Corporation (DEC)
Document, 1968
102683313
Coed mark II
Bendix Corporation
Document, Circa 1965
102686886
Eclipse-Line DATAPLOT User's Manual
Data General Corporation (DGC)
Document, 1976-08
102683382
PDP-15 product bulletins
Digital Equipment Corporation (DEC)
Document, 1971-1973
102686711
Specification q105 plotting capability
Quantor Corporation
Document, 1973-12-07
102687118
Quintype-70
Quindata, Inc.
Document, Circa 1973
102687120
Gordo manual, version 2.11
Lawrence Livermore Laboratory
Document, 1973-03-28
102686951
Introduction to RPG II Report Writing
International Business Machines Corporation (IBM)
Document, 1978-07
102678927
Promotional booklets for the total system
The National Cash Register Company
Document, Circa 1965
102687012
LRL 709/7090 Operator/Programming Notes
Lawrence Radiation Laboratory (LRL)
Document, 1958-1960
102678939