Moy v. City of Chicago

The city of Chicago passed an ordinance regulating the establishment and operation of laundries and making it unlawful for any person to operate a laundry without a license. Among other things, the ordinance provides that no laundry shall be established or conducted in any building which is not equipped to provide sufficient natural light on clear days to “show a minimum illumination of five-foot candles” in all parts of each room; that no person shall be permitted to sleep in any laundry or in any room in direct connection with such laundry; that all rooms used as a laundry or for the…