In which city was the Ferguson monoplane designed by Harry Ferguson built?
Harry Ferguson: Henry George "Harry" Ferguson (4 November 188425 October 1960) was an Irish-born British engineer and inventor who is noted for his role in the development of the modern agricultural tractor, for being the first person in Ireland to build and fly his own aeroplane, and for developing the first four-wheel drive Formula One car, the Ferguson P99.
i don't know