By the end of the 20th century there were some half-million Tractors on British farms--more machines than people to drive them. tems..
Bell\'s encyclopedic book traces the evolution of the Farm tractor from the days of starting handle and pan seat to current four-wheel drive machines with air-conditioned cabs and computer management systems.
By the end of the 20th century there were some half-million Tractors on British farms--more machines than people to drive them