Prescriptions, (1651) § 2. And it is further ordered; that no person (except for the defence of themselves and their vessels at Sea) shall transport any gunpowder out of this jurisdiction, without license first obtained from some two of the Magistrates, upon penalty of forfeiting all such powder as shall be transporting or transported, or the value thereof.

…from and after the passing of this act, all musket barrels and pistol barrels, manufactured within this Commonwealth, shall, before the same shall be sold, and before the same shall be stocked, be proved by the person appointed according to the provisions of an act . . . with a charge of powder equal in weight to the ball which fits the bore of the barrel to be proved . . . § 2. That if any person of persons, from and after the passing of this act, shall manufacture, within this Commonwealth, any musket or pistol, or shall sell …

Fire Arms, § 18. There shall be in each county, where the manufacture of fire-arms is carried on, provers of fire-arms, not more than six in number, appointed by the governor with the advice and consent of the council, who shall prove all musket barrels and pistol barrels which, being sufficiently ground, bored and breeched, are offered to them to be proved. § 19. All musket barrels and pistol barrels manufactured in this commonwealth shall, before they are sold or stocked, be proved by one of the provers with a ball suited to the bore of the barrel and with …