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.
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
Uber den Gebrauch des harmonishen Analisators Mader-Ott (About using hamonic analyzers Mader-Ott)
Societas Scientiarum Fennica
Document, 1937-09-20
102776113
Planimeter
Keuffel & Esser Co.
Physical Object
102757728
Harmonic analyzer
A. Ott
Physical Object, 1947
102756991