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.
Search the Catalog
Catalog contains over 150,479 records.
TA165K Germanium point-contact transistors
RCA Corporation
Physical Object, Circa 1952
102757318
CK 66 AGermanium transistor
Ratheon Semiconductor Division
Physical Object
102757294
Unknown device
Physical Object, Circa 1950s
102757302
CK703 Point contact transistor
Ratheon Semiconductor Division
Physical Object
102757299
CK739 Germanium diodes
Ratheon Semiconductor Division
Physical Object, 1954
102757314
T6 Germanium diodes
Transitron Electronic Corporation
Physical Object, Circa 1955
102757324
Grown-junction transistor
Ratheon Semiconductor Division
Physical Object, ca. 1955
102757295
Transistor prototypes
Ratheon Semiconductor Division (?)
Physical Object, 1950-1957
102757327
Prototype CK761 germanium transistor
Ratheon Semiconductor Division
Physical Object, 1954, week 35
102757304
CK722 Germanium transistor
Ratheon Semiconductor Division
Physical Object, 1953
102757309
1729 Germanium transistors
Western Electric Co.
Physical Object, Circa 1950 - 1951
102757316
Point contact transistors
RCA
Physical Object, ca. 1955
102757301
CK718 Germanium transistor
Ratheon Semiconductor Division
Physical Object, 1953 week 46 and 1954 week 32
102757307
RD2525 Transistors
Germanium Products Corporation
Physical Object, ca. 1955
102757319
Surface-barrier transistors
Philco Corporation
Physical Object, ca. 1953
102757321