Samuel Ames, The Revised Statutes of the State of Rhode Island and Providence Plantations: To Which are Prefixed, The Constitutions of the United States and of the State Page 614, Image 629 (1857) available at The Making of Modern Law: Primary Sources.
Discipline, Inspection, Etc. § 9. No non-commissioned officer or private shall unnecessarily, or without orders from his superior officer, come on to any place of parade with his musket, rifle or pistol loaded with balls, slugs, shot or other dangerous substance, or shall so load with same while on parade.