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.
Console T
Software
102652689
EDDT M
Software
102652716
Binary Main
Software
102652564
EDIT M
Software
102652694
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
Binary field 2
Software
102652566
DRUM ZEROER ENGLISH
Software
102652704
Single precision integer square root
Software
102665086
Binary *2400 2100? double precision DECOUT
Software
102652711
TSAR: READ IN BANK 1
Software
102652691
LOGARITHM SUBROUTINE R. SAUNDERS
Software
102652700
TSAR II ; READ IN BANK 1
Software
102652692
System saver
Software, 1969-08-20
102665070