No dice shall be thrown nor shall a pinball or shake-ball be used, nor shall cards, raffles or other games of chance or any form of gambling be permitted in any billiard room in the city or in the room in which pool or billiard tables are located, or at any cigar, cigarette, or refreshment stand or any other business in the same room, whether or not the room is divided by a partition, nor shall any checks be given which can be redeemed for merchandise or cash; nor shall the licensee permit on the licensed premises any obstruction of the public view by the use of drawn shades, blinds, screens or other obstructions, either permanent or movable.
(‘83 Code, § 116.88) Penalty, see § 10.99