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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 150,181 records.

Result 1-1 of about 1

Transmission Line Calculator - Smith Chart
The Emeloid Company, Inc.
Physical object, (c) 1944; date of mfr unknown
X29.81A-B