Bought out his friend and engine designer Frank Halfords's consultancy firm, forming the de Havilland Engine Company with Halford as the head
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Bought out his friend and engine designer Frank Halfords's consultancy firm, forming the de Havilland Engine Company with Halford as the head
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.