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.
Machine type 2302
International Business Machines (IBM)
Document, 1965-1973
102739006
Magnetic tape unit - type 729 II & IV
International Business Machines (IBM)
Document, 1959-1964
102739005
Paul R. Pierce collection of IBM materials
Document, 1954-1973; bulk 1955-1965
102784975