It shall be unlawful for any person to knowingly or wantonly use or operate or cause to be used or operated any mechanical or electrical device, machine, apparatus, or instrument which causes or produces any sound or noise which is reasonably calculated to disturb the peace and good order of the neighborhood or of the persons owning, using or occupying property within the city.
(1966 Code, sec. 12-22)
The noise or sound caused or produced by the operation of the following devices, machines, apparatus or instruments is hereby defined as noises or sounds which are prohibited by this article:
(1) 
The operation of any mechanical or electrical device, machine, or instrument to intensify or amplify or to reproduce the human voice or any other sound, within any building or on any premises in the city, whereby the sound therefrom is cast directly upon the public streets or places or where such device is maintained and operated for advertising purposes or for the purpose of attracting attention of the passing public, or which is so placed or operated that the sounds coming therefrom can be heard to the annoyance or inconvenience of travelers upon any street or public place or of persons in neighboring premises.
(2) 
The operation of open air roller rinks or open air skating rinks.
(3) 
Unnecessarily sounding automobile horns or warning devices.
(4) 
Open blast furnaces under or connected with steam boilers or water heaters.
(5) 
The operation of any steam boiler or water heater to which is attached an instrument or outlet, commonly called a pop-off valve, through which steam is permitted to escape when the steam pressure within a boiler or water heater to which it is attached has reached a given pressure.
(1966 Code, sec. 12-23)
This article shall not apply to the following:
(1) 
Delegations from neighboring towns and cities visiting in the city on goodwill tours;
(2) 
The operation of microphones or any mechanical or electrical device, machine or instrument to intensify the human voice or any other sound at any public or community gathering of a civic or religious nature;
(3) 
Community trades day activity; and
(4) 
Political speakings.
(1966 Code, sec. 12-24)