Blackball (pool) number "8" (a holdover from kelly pool), though numberless variants are not unknown. British pool tables come in 6 × 3 foot (1.8 × 0.9 m) or 7 × 3.5 ft (2.12 × 1.06 m) varieties, with 7 feet being the regulation size for league play. The table has pockets just larger than the balls and rounded, as in the game of snooker, whereas the international-style (or "American-style") table has pockets significantly wider, with pointed . Tournament rules may require the presence of more than one type of (mechanical bridge), as in snooker. There are two competing standards bodies that
Snooker in England in a copy of "Sporting Life" which caused a growth in popularity. Chamberlain came out as the game's inventor in a letter to "The Field" published on 19 March 1938, 63 years after the fact. Snooker grew in popularity across the Indian colonies and the United Kingdom, but it remained a game mainly for the gentry, and many gentlemen's clubs that had a billiards table would not allow non-members inside to play. To accommodate the growing interest, smaller and more open snooker-specific clubs were formed. In 1919, the Billiards Association and the Billiards Control Board merged to form