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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.

Result 1-12 of about 12

Vacuum tube type 5670
General Electric Company (GE)
Physical object
102735347

Vacuum tube type 5670
General Electric Company (GE)
Physical object
102735346

Vacuum tube type 5591
Western Electric
Physical object
102682053

Harvard Mark III magnetic pole pieces (2 wired together)
Harvard Computation Laboratory
Physical object, 1949
102682079

Harvard Mark III 6-pole relay
Harvard University
Physical object, 1949
102682081

Vacuum tube type ITL2C51
Tung-Sol Lamp Works
Physical object
102682055

Harvard Mark III shielded cable and plug
Harvard University
Physical object, 1949
102682080

Harvard Mark III pluggable relay
CP Clare & Company
Physical object, 1949
102682083

Harvard Mark III tape reel with tape
Harvard Computation Laboratory
Physical object, 1949
102682052

Harvard Mark III magnetic head
Harvard University. Computation Laboratory
Physical object, 1949 ca.
102682073

Vacuum tube type 5670
Harvard University
Physical object
102682054

Harvard Mark III resistor/capacitor assembly
Harvard University
Physical object, 1949 ca.
102682082