1903 to 1905
Attends classes at Belfast Technical College and there meets John Lloyd Williams who is to become the only intimate friend he had and in fact retained. While working in brother Joe's workshop he meets T McGregor Greer from Tullylagan between Cookstown and Dungannon and becomes a family friend.
Harry Ferguson and John Williams go to America and take a Ferguson-Brown tractor and implements to show to Henry Ford. An agreement (known as the handshake agreement) is reached whereby Ford agree to manufacture a tractor for Ferguson and it became known as the Ford-Ferguson. Central PTO patent granted.