It shall be unlawful for any person, firm, or corporation doing a public laundry business, or any employee thereof, between the hours of midnight and 6 a.m. of any day:to operate a laundry; to collect wearing apparel or articles of any kind whatsoever to be washed or laundered; or to deliver the same after having been washed or laundered. Any person, firm, or corporation violating the provision of this section shall, upon conviction thereof, be fined not less than $50 nor more than $100 for each offense. City Code, 1927, art. 32, §26 1950, art. 24, §22 1966, art. 19, §46 1976/83, art. 19, §53 Ord. 25-507 Ord. 27-960