[T]he name vitriol ought to be applied to all vitriolic ſalts with metallic baſes. Thus, for inſtance, the ſalt compoſed of vitriolic acid and gold may be called vitriol of gold; and the ſalt formed by the union of this acid with ſilver may be called vitriol of ſilver, or lunar vitriol. Perhaps all vitriolic ſalts might be conveniently comprehended under the general name vitriol.

1743, Henry Fielding, The History of the Adventures of Joseph Andrews, and His Friend Mr. Abraham Adams.[…], volume (please specify |volume=I or II), 3rd edition, London: […] A[ndrew] Millar,[…], OCLC 1157347657:

“I'll tell you something, too,” retorted the captain, duskily flushing. “I wouldn't sail this ship for the man you are, if you went upon your knees. I've dealt with gentlemen up to now.” “I can tell you the names of a number of gentlemen you'll never deal with any more, and that's the whole of Longhurst's gang,” said Jim. “I'll put your pipe out in that quarter, my friend. Here, rout out your traps as quick as look at it, and take your vermin along with you. I'll have a captain in, this very night, that's a sailor, and some sailors to work for him.”

[I]n me yout' I was d' star poople of d' Sunday school dey opens long ago at d' Five Points. That's straight goods, see!