keybox for 755A PBX
By Rick Walsh, ; posted December 5, 2023; hits 75
 |
| 6021J3 keybox for a 755A crossbar PBX station associated with a 354 Wall set and a separate 4-lamp mounting |
By Rick Walsh, ; posted December 5, 2023; hits 75
|
| 6021J3 keybox for a 755A crossbar PBX station associated with a 354 Wall set and a separate 4-lamp mounting |