He and his colleagues were well aware of the more rapid progress in America, and there were regular transatlantic visits by headquarters engineers, but only when they were quite sure of new techniques and had discussed them thoroughly with the British manufacturers were they prepared to make a move.
He and his colleagues were well aware of the more rapid progress in America, and there were regular transatlantic visits by headquarters engineers, but only when they were quite sure of new techniques and had discussed them thoroughly with the British manufacturers were they prepared to stand still.