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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 150,450 records.

Result 1-10 of about 10

Planimeter
J. Amsler-Laffon & Sohn
Physical Object, 1850-1899
102757770

Rolling planimeter
G. Coradi
Physical Object, 1850-1899
102757769

Planimeter
Dietzgen
Physical Object
102757725

Rolling parallel ruler
Wissler Instrument Co.
Physical Object
102756992

Planimeter
A. Ott Kempten
Physical Object
102757724

Planimeter
A. Ott Kempten
Physical Object
102757723

Mechanical Calculator
Odhner
Physical Object
102757366

Planimeter
Keuffel & Esser Co.
Physical Object
102757728

Harmonic analyzer
A. Ott
Physical Object, 1947
102756991