Any person or persons who shall commit any act which in any way injures or tends to injure the safety of the street lamps, shall be liable to a penalty of not more than two hundred and fifty dollars for each and every offence.
Sec. 21.
Any person or persons who shall throw any stones, or other things at any of the street lamps, who interferes with any of the wires connected with or attached to any such light or lights shall be liable to a penalty of not more than two hundred and fifty dollars for each and every offence.