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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 143,950 records.

Result 1-20 of about 21

Greydon C. Freeman Collection

Document
X3755.2007

Vacuum tube type D202
International Business Machines Corporation (IBM)
Physical object
102673147

Vacuum tube module
Intermational Business Machines Corporation (IBM)
Physical object, 1955 ca.
102673135

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673138

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673145

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673141

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673146

Vacuum tube type 252551
International Business Machines Corporation (IBM)
Physical object
102673137

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673144

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673142

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673140

Vacuum tube module
International Business Machines Corporation (IBM)
Physical object, 1955 ca.
102673133

Vacuum tube module
Intermational Business Machines Corporation (IBM)
Physical object, 1955 ca.
102673134

Vacuum tube type E002
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673139

Fusetron FNM 2 Dual Element Cartridge Fuses
Bussmann Mfg. Co.
Physical object
102673150

Vacuum tube type 252551
International Business Machines Corporation (IBM)
Physical object
102673136

Vacuum tube type E022
International Business Machines Corporation (IBM)
Physical object, 1952 ca.
102673143

Vacuum tube module
International Business Machines Corporation (IBM)
Physical object, 1955 ca.
102673131

Vacuum tube module
International Business Machines Corporation (IBM)
Physical object, 1955 ca.
102673132

Vacuum tube type P104
International Business Machines Corporation (IBM)
Physical object
102673149