Object Record
Graham Magnetics Epoch 480 Magnetic Media Disk front
Graham Magnetics Epoch 480 Magnetic Media Disk back
| Catalog Number | 12.0014.004 |
| Title | Graham Magnetics Epoch 480 Magnetic Media Disk |
| History | This media disk, used to stored audio and visual information, has a polyurethane polymer binding system which is tougher than tape and is able to last through one million uses. It was patented by Robert J. Deffeyes on April 26, 1977 and assigned to the Graham Magnetics company (patent applied for June 16, 1976). |
| Description | In an unopened plastic bag. Large disk. The back is blue and has a sticker for the serial number. The rim is white plastic. On the front is the maker's information around the center hole and "Certified Zero Detect for Densities thru 6250 CPI." |
| Date | c. 1978 |
| Organizations | NIH; NHLBI, Laboratory of Technical Development |
| Buildings | Building 10 ("CC" Warren Grant Magnuson Clinical Center) |
| NIH Property # | none |
| Old NIH Property # | none |
| Serial # | E73648 082 |
| People |
Berger, Robert L. |