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.
Search the Catalog
Catalog contains over 150,450 records.
Description of a relay calculator
Harvard University Press
Document, 1949
102676771
Description of a magnetic drum calculator
Harvard University Press
Document, 1952
102676772