1820 N.H. Laws 274-76, An Act to Provide for the Appointment of Inspectors and Regulating the Manufacture of Gunpowder, ch. 25, §§ 1-9.

§ 1. [T]he Governor . . . is hereby authorized to appoint an inspector of gunpowder for every public powder magazine, and at every manufactory of gunpowder in this state, and such other places as may by him thought to be necessary[.] § 2. [F]rom and after the first day of July next, all gunpowder which shall be manufactured within this state shall be composed of the following proportions and quality of materials . . . § 3. It shall be the duty of each of said inspectors to inspect, examine and prove all gunpowder which after the first day of July shall not be deposited at any publick [sic] powder magazine, or manufactory of this state . . . § 4. [N]o gunpowder within this state shall be considered to be of proof unless one ounce thereof, placed in a chamber of a four and an half inch howitzer, with the howitzer elevated so as to form an angle of forty-five degrees with the horizon, will, upon being fired throw a twelve pound shot seventy-five yards at the least. § 5. [W]henever any of said inspectors shall discover any gunpowder, deposited at any public powder magazine, or any other place within this state, which is not well manufactured or which is composed of impure materials . . . the inspector in such case, shall mark each cask containing such impure, ill manufactured, or deficient gunpowder, with the word "Condemned" on both heads of the cask . . . § 6. [I]f any person shall knowingly sell any condemned gunpowder . . . every such person, so offending, shall forfeit and pay not less than two hundred nor more than five hundred dollars . . . § 7. [E]ach inspector . . . be sworn to the faithful and impartial discharge of the duties of his office, and each inspector shall be allowed one cent for each pound of gunpowder, by him examined, inspected and proved . . . to be paid by the owner or owners of the gunpowder. § 8. [I]f any manufacturer of gunpowder shall sell or dispose of, or shall cause or permit to be sold or disposed of, or shall export or cause to be exported withou the limits of this state, any powder of his manufacture, before the same has been inspected and marked agreeably to the provisions of this act, he shall forfeit and pay the sum of fifty cents for every pound of powder so sold, disposed of, or exported, to be recovered in the manner provided in the sixth section of this act. § 9. [I]f any person with within this state . . shall knowingly sell, expose, or offer for sale, within this state, any gunpowder which is not well manufactured, or which is composed of impure materials, and which shall not be composed of the proof herein before required, shall forfeit and pay not less than five dollars nor more than fifty dollars for each and every offence, to be recovered in the manner provided in the sixth section of this act.