Wire rolled by lorry (3)
From RCSigs.ca
Description
Canadian Engineer and his invention for twisting telephone cable. September, 1917. Other views can be seen here and here.
Credit: Canada. Dept. of National Defence/Library and Archives Canada/ Restrictions on use: Nil Copyright: Expired Copy negative PA-003818 Item no. (creator) O-3854 Other accession no. 1964-114 NPC MIKAN no.
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