Iridium engagement ring (Tom's wife, electron-beam melted)
PROPOSED case — pending reconciliation against canon
Appears at 1 point in 1 lecture.
Appearances across the corpus
Tom electron-beam melted an iridium alloy for the ring because of its corrosion immunity. Sets up the Cannon-connector electrocution story.
That's why when I made my wife's engagement ring I electron-beam melted an iridium alloy, because I happen to know it's immune from corrosion. Anyway, I'm resorting to a story, but there's more to that story.