No proprietor of a public establishment operating such machine shall permit any person under the age of 16 years to operate, use, or play any pinball machine or other machine used for amusement during the hours in which the city’s public schools are in session. All such machines shall at all times be kept and placed in plain view of all persons who may be on or frequent any place of business or other place where such machines are kept or used.
(2016 Code, § 17.405) Penalty, see § 112.99