| Object Name | N Diagram - N4405 |
|---|---|
| Description | Exchange Fire Telephone VF Remote System A - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |
| Object Name | N Diagram - N4406 |
|---|---|
| Description | Subscriber-Controlled Call Transfer - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |
| Object Name | N Diagram - N4407 |
|---|---|
| Description | Telehone Facilties for the National Coal Board - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |
| Object Name | N Diagram - N4408 |
|---|---|
| Description | Non-PO Apparatus, Typical Methods of Connexion to the Public Telephone Network - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |
| Object Name | N Diagram - N4409 A |
|---|---|
| Description | Fire Telephone for use in Exchs in association with a loop disconnect signalling traffic junction - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |
| Object Name | N Diagram - N4410 A |
|---|---|
| Description | Viewdata Service (including Prestel) Methods of Connecting to the Public Telephone Service - N Diagram for type |
| Object Date | -0001-11-30 |
| Manufacturer | Post Office |
| Works Number | |
| Status | Digitised |
| Category | Records |
| Accession No | |
| Image | No image |