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.
PDP-1 Price List
Digital Equipment Corporation (DEC)
Document, 1963-02-01
102652408
Paper tape duplicator M
Software
102652686
CARD XFLEX OBJECT + SYMBOLS
Software
102652693
MULTI : PRECISION PACKAGE ENG
Software
102652701
Map
Software, 1968-05-15
102665076
Ascii II tape lister
Software
102665038
Translation checkerboard
Software
102665040
Scope decimal print
Software
102665083
Line xflex source
Software
102652737
Music Maker diagram
Massachusetts Institute of Technology (MIT)
Document
102664679
Input Routine
Massachusetts Institute of Technology (MIT)
Document, Circa 1975
102664681
Certainly (1973)
Massachusetts Institute of Technology (MIT)
Document, Circa 1973
102664282
ADMINISTRATIVE ROUTINE (1967)
Massachusetts Institute of Technology (MIT)
Document, 1967-09-13
102665103
Random Number Generator
Massachusetts Institute of Technology (MIT)
Document
102665069
Binary field 2
Software
102652566
FORTRAN PASS 3
Massachusetts Institute of Technology (MIT)
Document
102664489
TEST PROGRAMS (INSTR, MPR, SFT)
Massachusetts Institute of Technology (MIT)
Document
102665165
Exponential Routines
Digital Equipment Corporation (DEC)
Document, 1962-12-31
102650075
Compare strings
Digital Equipment Computer Users Society (DECUS)
Document, 1963-06-11
102650056
Arithmetic Routines
Digital Equipment Corporation (DEC)
Document, 1962-12-31
102650070