Police constable to sail the world in 28 feet craft . A trip round the world in a 28 feet sailing boat is planned by Mr Arthur Bull , aged 25 , of Edmonton , N , a Metropolitan police constable . The boat is the " Thelma " and the trip is expected to take two years . P C Bull has resigned from the force in order that he and a companion can make preparations for their journey . The trip will start about the middle of April . PC Bull and his companion have previously crossed the Channel and the North Sea in the " Thelma " . P C Bull photographed in his workshop where he is making preparations for the trip . 10 March 1933