The Municipal Register, Containing the City Charter, with Rules and Orders of the City Council, Also the Ordinances, and a List of the Officers of the City of Roxbury, for 1848-49 Page 58, Image 58 (1848) available at The Making of Modern Law: Primary Sources.

City Ordinances [of the City of Roxbury, To Prevent unlawful and Injurious Practices in the Streets and Other Public Places, ]§ 16. No person shall, except in the performance of some duty required by law, discharge any gun, pistol, or other fire arm, loaded with balls or shot, or with powder only, within the city, in or upon any street, lane, alley, public place, or wharf, or within fifty rods thereof, or within fifty rods of any building in the city, in any yard, garden or field therein.