This is a poem from a paper Historia Inventionis Phosphori by Leibniz, written in 1710, correcting the account of the discovery of phosphorus. Translating this paper has been a perennial project of mine, it's not long but I haven't quite had the skill to approach some sections. This poem is Leibniz writing about phosphorus and its discoverer. I'll post the poem, and my working translation (warts and all), which I'm looking for help with.
Here is the full poem which is typeset and corrected: Google Books Leibniz Gesammelte Werke lines 175-212. This version has several differences and clarifies some intended meanings.
First, about phosphorus: The phosphorus being discussed is a form of white phosphorus, which can glow brilliantly and will react by bursting into flames if it is not kept under water. You can see demonstrations of it in [this video from Th