Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
magnetic tape drive
|
| gptkbp:encodes |
gptkb:NRZI
gptkb:PE_(Phase_Encoding) |
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 729 magnetic tape
|
| gptkbp:introduced |
1958
|
| gptkbp:length |
up to 2400 feet
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:mediaType |
magnetic tape
|
| gptkbp:notableFeature |
vacuum column buffer
|
| gptkbp:predecessor |
gptkb:IBM_727
|
| gptkbp:recordingDensity |
200, 556, or 800 characters per inch
|
| gptkbp:status |
obsolete
|
| gptkbp:successor |
gptkb:IBM_2400_Series
|
| gptkbp:tracks |
7
|
| gptkbp:usedFor |
gptkb:IBM_1400_series
gptkb:IBM_700_series data transfer data storage data backup |
| gptkbp:weight |
about 350 pounds
|
| gptkbp:width |
0.5 inch
|
| gptkbp:bfsParent |
gptkb:IBM_7090_Data_Processing_System
|
| gptkbp:bfsLayer |
5
|