A.V. Roe Canada in 1955

Canada 1955.  The Official Handbook of Present Conditions and Recent Progress.
Ottawa:  Dominion Bureau of Statistics, 1955.

Below, the lower photo enlarged.  What looks to be CF-100 Canucks ("Clunks" or "Lead Sleds" to the RCAF pilots) under construction.  Soon to be replaced by the Avro CF-105 Arrow and Canadian aviation infamy.