History of Canadian aviation compiled in Toronto at start of World War II

[Clip from documentary "Wings of Youth," part of the "Canada Carries On" series, narrated by Lorne Greene] Title "Production Raymond Spottiswoode and Stuart Legg at Audio Pictures Toronto" superimposed over shot from plane of Canadian fighter planes flying in formation during World War I / file footage from World War I: POV from plane of fighter planes flying overhead in formation / POV from plane of fighter planes flying in formation / closer POV from plane of fighter planes flying in formation / shot on fighter plane from behind pilot flying plane / shot from ground of fighter planes flying in formation overhead / POV from plane of German fighter planes flying in formation / POV from plane of fighter planes engaging in dog fight / POV from plane of German fighter planes peeling off / VS POV from plane of fighter planes engaging in dog fight / shot from behind pilot as he fires machine guns / close shot of machine guns firing / close shot of bullets making holes in airplane / POV from plane of fighter plane falling through sky // file footage from after World War I: POV from plane of seaplane in flight / two close shots of man on plane operating camera / overhead shot of two men in plane, one making map / two POVs from plane of pontoon plane in flight being flown by bush pilot / commercial airliner landing / commercial airliner taxiing / Note: exact month/day not known; documentation incomplete