Whenever any menstruum or other additament is employed, together with the fire, to obtain a sulphur or a salt from a body, we may well take the freedom to examine, whether or no the menstruum do barely help to separate the principle obtained by it...
Source: wiktionary
Nature has furnish'd his foot with another additament much more curious and admirable, and that is, with a couple of Palms, Patterns or Soles […]
Source: wiktionary
15 March 1806, Charles Lamb, letter to Mr. Hazlitt
And there are you perverting Nature in lying landscapes, filched from old rusty Titians, such as I can scrape up here to send you, with an additament from Shropshire nature thrown in to make the whole look unnatural.
Source: wiktionary