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 150,481 records.
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