The mariners magazine, or, Sturmy's mathematical and practical arts containing the description and use of the scale of scales, it being a mathematical ruler, that resolves most mathematical conclusions, and likewise the making and use of the crostaff, quadrant, and the quadrat, nocturnals, and other most useful instruments for all artists and navigators : the art of navigation, resolved geometrically, instrumentally, and by calculation, and by that late excellent invention of logarithms, in the three principal kinds of sailing : with new tables of the longitude and latitude of the most eminent places ... : together with a discourse of the practick part of navigation ..., a new way of surveying land ..., the art of gauging all sorts of vessels ..., the art of dialling by a gnomical scale ... : whereunto is annexed, an abridgment of the penalties and forfeitures, by acts of parliaments appointed, relating to the customs and navigation : also a compendium of fortification, both geometrically and instrumentally / by Capt. Samuel Sturmy.

To fill the Rockets with this Composition.

Hold the Mouth downwards where it was Choaked, and with a knife put in so much as you can of the Receipt provided for that size at one time, then with a Rammer fitted to the Case, and with a Mallet give three or four indifferent knocks, then put in more Composition until it be full, every time knocking the Rammer, as before, until the Composition come within one Diameter of the bore of the top; then put down a piece of Paste-board, and knock it in hard, prick three or four little holes therein; then put fine Pistol-Powder in almost to the top, and upon that another cap of Paper, upon which put a Piece of Leather, that it may be tyed on the top of the Rocket, and fast Glued on; then get a straight Twigg, and bind it upon the Rocket with good Twine; it must be no heavier, than being put upon your Finger an Inch and a half from the Mouth of the same, that it may just ballance the Rocket, then it is prepared for use.