A Dutch migrant window-cleaner with not much need for a ladder is 6ft. 9in. William Vermeulen (23). He landed at Fremantle from the Dutch liner Sibijak, after saying goodbye to he smallest passenger, 3?-year-old Corry Sletsoma, (above) to join his "little brother' Kees (just under 6ft.) and 7,000 fowls on a poultry farm at Tingledale, near Denmark (W.A.). Vermeulen said that his father was only a "small man" like his brother, but his grandfather stood 7ft. 5in. tall. A veteran of the Korean war,