Telephone Exchange Canadian Signal Company August 1917 (front view)

Telephone Exchange (front view) manufactured by a Member of the Canadian Contingent Signal Company. August, 1917.

Credit: Canada. Dept. of National Defence/Library and Archives Canada/
Restrictions on use: Nil
Copyright: Expired 
Copy negative PA-001783
Item no. (creator) O-1851
Box (24)
Other accession no. 1964-114 NPC
MIKAN no. 3380997