sentences:  In his second aeroplane, Preston Watson achieved successful powered flight in a design that appeared to vindicate his theories.Initially hoped to have entered the No.2 in the Lanark Airshow, only the second international air meeting held in the UK, his first flights in it were carried out in the first two weeks of August 1910 at Errol, Perthshire, having missed out on entering the event owing to a fractured propeller during its very first engine run.As with his first aeroplane, the No.2 was built by the Tay Motor Boat and Engine Company, in July 1910.