Discharging Guns Prohibited, An Ordinance in Relation to Streets, Ordinances of the City of Charlestown, Ordinance No. 10, §32 (1870).
"Sect. 32. No person shall, except in the performance of some duty required by law, discharge any gun, pistol, or other firearm, loaded with balls or shot, or with powder only, within the city."
Ordinances of the City of Charlestown, in Force from and After January 1, 1870 (Boston, MA: W. & E. Howe, 1870), 31. City Ordinance No. 10, An Ordinance in Relation to Streets, §32. In effect 1 Jan., 1870.