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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 150,498 records.

Result 241-260 of about 308

Vacuum tube type 12AX7 with color graphic box
LE-HI Electrical Company
Physical object
102729124

Vacuum tube type 33GY7A
Admiral
Physical object
102729167

Vacuum tube type 6AV6 in color graphic box
Radio Corporation of America (RCA)
Physical object
102729129

Vacuum tube type 12CA5
Sylvania Electric Products, Inc.
Physical object
102729092

WISC (Wisconsin Integrally Synchronized Computer) logic unit
Wisconsin, University of
Physical object, 1951-1954
102681836

WISC (Wisconsin Integrally Synchronized Computer) logic unit
Wisconsin, University of
Physical object, 1951-1954
102681858

Vacuum tube type 12AT7 with text only box
Tung Sol Lamp Works
Physical object
102729052

Logic Unit

Physical object, Circa 1954
102727981

Indicator lamp
Kirkland
Physical object
102729108

Vacuum tube type 6BA6 with text only box
General Electric Company (GE)
Physical object
102729068

Logic Unit

Physical object, Circa 1954
102727980

Vacuum tube type 5687

Physical object
102735255

WISC test equipment

Physical object
102733608

Westinghouse vacuum tube type 6AQ5 box

Physical object
102728973

WISC (Wisconsin Integrally Synchronized Computer) logic module
Wisconsin, University of
Physical object, 1951-1954
102727975

Vacuum tube type 6X4 in text only box
Lansdale Tube Co. (LTC)
Physical object
102729077

Vacuum tube type 6AB4
Rad-Tel
Physical object
102729116

Model 19 Teletype chest
Teletype Corporation
Physical object, 1951-1954
102731445

Vacuum tube type 12AU7
General Electric
Physical object
102735257

Westinghouse vacuum tube type 12AU7 box
Eureka Paper Box Co.
Physical object
102728975