7 Position Cord Board
By Claude Sterling, ; posted January 6, 2010; hits 3874
 |
| 7 Position cord board used in conjunction with a 2,000 line AE 320 step PBX at Loma Linda University Medical Center from 1967 to 1981. |
By Claude Sterling, ; posted January 6, 2010; hits 3874
|
| 7 Position cord board used in conjunction with a 2,000 line AE 320 step PBX at Loma Linda University Medical Center from 1967 to 1981. |