Benjamin Franklin’s Letter on Lead Poisoning – July 31, 1786
Benjamin Franklin’s Letter On Lead Poisoning Phila July 31, 1786 (To Benjamin Vaughan) Dear Friend, I recollect that when I had the great Pleasure of seeing you at Southampton, now a 12 month since, we had some Conversation on the bad Effects of Lead taken inwardly; and that at your Request I promis’d to send…