Every boiler or other furnace, except in a private residence, used within the city and in which bituminous coal is burned as fuel, shall be constructed or altered or have attached thereto efficient preventatives which shall prevent the production and emission of dense black or gray smoke. No owner, lessee or person having control of a steam boiler or other furnace shall use or allow the use of the steam boiler or other furnace if not constructed accordingly or not having the efficient smoke preventatives in good and efficient order and operation.
(Prior Code, § 94.34) (Ord. 231-1910, passed - -1910) Penalty, see § 92.999