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.

SECT. XVI. How to make Silver and Golden Rain, and how to use them.

YOu must provide store of Goose-Quills, which being provided, you must cut them off so far as they are hollow; the Composition to fill them is, two Ounces of Cole-dust, and one Pound of Powder well mixed; having filled many of these Quills, you shall place them in the same place as I told you to put the Powder and Stars, put∣ting a little Pistol-Powder to blow them out, as you did the Stars, and fill the top of the Case as full of them as you can, with the open end downwards; so soon as the Rocket is spent, there will appear a Golden Shower, or Rain; or with the Compo∣sition for White-Stars filled in the Quills, will make a Shower of Silver Rain.