Ellis Achong 1932. Achong is better known for playing cricket. He was mainly a bowler. His stock ball was left-arm orthodox spin (left-arm finger spin), but one of his variations was unorthodox left-arm spin. After bowling this variation to have Walter Robins stumped at Old Trafford in 1933, it is reputed that Robins said to the umpire, Joe Hardstaff Sr., "fancy being done by a bloody Chinaman". Learie Constantine is said to have replied: "Do you mean the bowler or the ball?" An unorthodox left-arm spin delivery (spinning from the off side to the leg side for a right-handed batsman) is known
Wrist spin stock delivery and the "wrong'un" – in the wrist spinner's case his googly, and in the finger spinner's case his doosra. A topspinning cricket ball behaves similarly to top spin shots in tennis or table tennis. The forward spinning motion impedes air travelling over the ball, but assists air travelling underneath. The difference in air pressure above and underneath the ball (described as the Magnus effect) acts as a downward force, meaning that the ball falls earlier and faster than normal. In cricketing terms, this means that the ball drops shorter, falls faster and bounces higher than might otherwise be