It is unlawful for any person having a license to erect or keep a pool or billiard saloon or pool or billiard table as mentioned in § 2-2: to allow any person or persons to play on or use any pool or billiard table between the hours of 1 a.m. and 7 a.m.; or knowingly to allow a minor to play on or use any pool or billiard table, or play at any game in that saloon, or be on the premises, at any time. City Code, 1879, art. 33, §4 1893, art. 33, §4 1927, art. 25, §3 1950, art. 19, §3 1966, art. 15, §10 1976/83, art. 15, §10 Ord. 1869-031 Ord. 09-303 Ord. 20-494 Ord. 49-700 Ord. 99-526