firework

ilotulitus, ilotulite A device using gunpowder and other chemicals which, when lit, emits a combination of coloured flames, sparks, whistles or bangs, and sometimes made to rocket high into the sky before exploding, used for entertainment or celebration.
(quote-book)|year=1776|page=1|pageurl=https://books.google.com/books?id=6_UJAAAAIAAJ&pg=PA1|oclc=642296266|passage=Saltpetre being the principal ingredient in fireworks, and a volatile body, by reaſon of its aqueous and aërial parts, is eaſily rarified by fire; but not ſo ſoon when foul and groſs, as when purified from its crude and earthy parts, which greatly retard its velocity: therefore, when any quantity of Fireworks are to be made, it ſhould be examined; for if it is not well cleanſed, and of a good ſort, your works will not have their proper effect; (..)