1982c – Walking Tractor – Meredith Thring (British*)

From Robots and Telechirs – M.W. Thring 1983 Thring has used the fact that the ideal foot movement is close to that of a link of a chain going around two sprockets to produce a very simple walking mechanism for a tractor. A small model is shown in above. There are two legs on each …

1966 – Mechanical Rat – Meredith Thring (British)

Pittsburgh Post-Gazette – Feb 1, 1967 ……..  He [Professor Meredith Wooldridge Thring, 51, professor of mechanical engineering at London's Queen Mary College] suggested a trip to one of his laboratories. "Here you see our mechanical rat," he explained. He pointed to a gadget about the size of a boy's electric train. Before it lay a …