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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Log-Log Duplex Trig Slide Rule
Keuffel & Esser Company
Physical object, 1939
XD50.76
Log-Log Duplex Trig slide rule case
Keuffel & Esser Company
Physical object
XD50.76B