[Hydra move - Bell circuits]
subject: Emergency planning, Emergency communications, EASE, landlines
description: Possibly a rough diagram of circuits routed between Carp, the Bell Telephone repeater, and Leitrim.
creator: Department of National Defence
source: Fixed Communications - Hydra Telegraph Relay System - Relocation of Hydra - Plans and Policy, RG24, S-2723-2, Vol. 1, Library and Archives Canada (LAC)
publisher: Canada Declassified
date: undated
rights: Canadian Crown
format: PDF
language: en
type: Graphic