SP-1 Central Office Stored Program Switch
Date: | Circa 1971 |
Location: | Throughout Canada and USA |
Credits: | Northern Electric now ... and the future |
TEXT ATTACHMENTObject: | Tools/Equipment |
Type: | Image |
Date: | Circa 1971 |
Location: | Throughout Canada and USA |
Credits: | Northern Electric now ... and the future |
Object: | Tools/Equipment |
Type: | Image |