Holy cow, Michael!
You really do have some of the rarest things I've ever seen! I wasn't even aware of incendiary quoits! My favorite piece is the 30 Years War grenado with original fuse! Incredible! I've known that the later 18th century bombs had a flattened dimple on the side to keep them from rolling away in combat or in the "fighting top" of a ship, but I never realized that these earlier models had the dimple as well. Thanks so much for posting them. I'll leave your chemistry question alone (not my area).