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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 150,483 records.

Result 141-160 of about 477

Vacuum tube type 7AK7
Sylvania
Physical object, 1938 ca.
102732761

Vacuum tube type 7AK7
Sylvania
Physical object, 1938 ca.
102732754

Vacuum tube type 6145
Sylvania
Physical object, ca. 1951
102732610

Vacuum tube type 6145
Sylvania
Physical object, ca. 1951
102732615

3 1/4" No risk disk
Tabor Corp.
Physical object
102741255

Vacuum tube type 6L6GA
National Union
Physical object, ca. 1954
102732134

Drexon LaserCard
Drexler Technology Corporation
Physical object
102741250

Vacuum tube type 6SN7GTB
General Electric
Physical object, 1941 ca.
102732103

Vacuum tube type 6SN7GT
Sylvania
Physical object, 1941 ca.
102732108

Vacuum tube type 6SN7GT
RCA
Physical object, ca. 1941
102732115

Vacuum tube type 6SN7GT
Sylvania
Physical object, ca. 1941
102732110

Vacuum tube type 5881
Tung Sol Lamp Works
Physical object
102735119

Vacuum tube type 7AK7

Physical object, 1938 ca.
102735188

Vacuum tube type SR1407

Physical object, 1925 ca.
102735025

Vacuum tube type 6145
Sylvania
Physical object, ca. 1951
102734990

Vacuum tube type 6145
Sylvania
Physical object, ca. 1951
102734995

Vacuum tube type 7AK7
Sylvania
Physical object, 1938 ca.
102735190

Vacuum tube type 7AK7

Physical object, 1938 ca.
102735195

Vacuum tube type 6145

Physical object, ca. 1951
102735032

Vacuum tube type 6145
Sylvania
Physical object, ca. 1951
102735215