1759-76 N.H. Laws 63, An Act about Powder Money.

That every foreign ship or vessel above thirty tons, coming into any port or part of this province from over the sea to trade or traffick [sic], all or the major part of the owners whereof are not actually inhabitants of this province, shall, every voyage they make, pay two shillings in money per ton, or one pound of good gunpowder, for the supply of his Majesty’s fort and fortifications within this province, to be received by the treasurer, or such other person or persons as shall be appointed to receive the same.