It's a timing disc from the CDC 3300 computer. This computer was released in 1965. Moreover CDC means Control Data Corporation
With arrival of CDC 6600 at CERN in January 1965, there came the first half-inch wide 7-tracks tape ...
International Telemetering Conference Proceedings / October 30-November 02, 1995 / Riviera Hotel, La...
Three pages folded.Prepared at Goddard Space Flight Center."October 1964"--Cover.Mode of access: Int...
The CDC 3800 console and magnetic tape unit. Anecdote "The CDC 3800 was used to process Swiss electi...
IBM 3211 computer disk storage drive in MU computer room, attached to the IBM 1620 computer, ca. 196...
Photograph of an old hard drive from a computer system used by the APD Communications Division, ca. ...
A general view of the CDC computer system taken during the installation of the CYBER 170-720. The la...
This large 7638 disk on the CDC 7600 is primarily used as a sort of « paging store » for tape files ...
Marshall\u27s IBM 1620 computer system, ca. 1968 : b&w. (dates on clippings, etc in folder marked C...
"Prepared [at Kentron International] for Langley Research Center under Contract NAS1-16000.""Septemb...
Cover title."May 1967."Includes bibliographical references (p.10).Mode of access: Internet
"February 27, 1961.""Prepared for the U.S. Atomic Energy Commission under contract no. AT(11-1)-795....
Carroll, J. Douglas, Jr. DETROIT METROPOLITAN AREA TRAFFIC STUDY, 1953 (computer file). [S.I.: s.n.]...
In disk storage, data is recorded on planar, round and rotating surfaces (disks, discs, or platters)...
Included in a box of slides marked CBS by Wally. Slides date stamped September 1981.https://digit...
With arrival of CDC 6600 at CERN in January 1965, there came the first half-inch wide 7-tracks tape ...
International Telemetering Conference Proceedings / October 30-November 02, 1995 / Riviera Hotel, La...
Three pages folded.Prepared at Goddard Space Flight Center."October 1964"--Cover.Mode of access: Int...
The CDC 3800 console and magnetic tape unit. Anecdote "The CDC 3800 was used to process Swiss electi...
IBM 3211 computer disk storage drive in MU computer room, attached to the IBM 1620 computer, ca. 196...
Photograph of an old hard drive from a computer system used by the APD Communications Division, ca. ...
A general view of the CDC computer system taken during the installation of the CYBER 170-720. The la...
This large 7638 disk on the CDC 7600 is primarily used as a sort of « paging store » for tape files ...
Marshall\u27s IBM 1620 computer system, ca. 1968 : b&w. (dates on clippings, etc in folder marked C...
"Prepared [at Kentron International] for Langley Research Center under Contract NAS1-16000.""Septemb...
Cover title."May 1967."Includes bibliographical references (p.10).Mode of access: Internet
"February 27, 1961.""Prepared for the U.S. Atomic Energy Commission under contract no. AT(11-1)-795....
Carroll, J. Douglas, Jr. DETROIT METROPOLITAN AREA TRAFFIC STUDY, 1953 (computer file). [S.I.: s.n.]...
In disk storage, data is recorded on planar, round and rotating surfaces (disks, discs, or platters)...
Included in a box of slides marked CBS by Wally. Slides date stamped September 1981.https://digit...
With arrival of CDC 6600 at CERN in January 1965, there came the first half-inch wide 7-tracks tape ...
International Telemetering Conference Proceedings / October 30-November 02, 1995 / Riviera Hotel, La...
Three pages folded.Prepared at Goddard Space Flight Center."October 1964"--Cover.Mode of access: Int...