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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.

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Catalog contains over 143,752 records.

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NON PRINT CARD COUNT SORTER WIR. DIAG. BRITISH STYLE M'CS.; & RELAY and RESISTANCE LAYOUT
British Tabulating Machine Company
Document, 1953-11-18
102631113