A stench bomb is herein defined as any liquid, gaseous, or solid substance or matter of any kind which is intended to be thrown, dropped, poured, deposited, or discharged for the purpose of producing a noxious, nauseating, sickening, irritating, or offensive odor. It is unlawful for any person to:sell, barter, or trade a stench bomb; manufacture, make, or prepare a stench bomb; throw, drop, pour, deposit, or discharge a stench bomb; or aid or abet another in throwing, dropping, pouring, depositing, or discharging a stench bomb. Nothing in the above provisions shall apply to:regularly appointed police officers acting in line of duty; nor proprietors of business places who may keep or use certain acid diffusing bombs solely for the purpose of repelling robbers, thieves, or other law violators. Any person who violates any of the provisions of this section is guilty of a misdemeanor and, upon conviction thereof, is subject to a fine of not less than $5 and not more than $500 at the discretion of the court. City Code, 1976/83, art. 19, §117 Ord. 70--903