Question: What year did Britain's Royal Flying Corps choose watches made by the company who later made the Electroquartz as their official timekeepers?
Sentence (from "RAF Mousehold Heath"): The area of Norwich between the Salhouse and Plumstead roads (outside of the outer ring road) was originally the Cavalry Training Ground and then became the Royal Flying Corps Mousehold Heath aerodrome where Boulton Paul, among other manufacturers, passed over the aircraft they made for service.
Relevant evidence: No