Diving bells were originally just that - an upturned church bell with enough trapped air to stand in while reclaiming things from shipwrecks in relatively shallow water. As such the engraving of Edmund Halley's 18th century diving bell is one of my favorite images on oobject, because it shows gadgetry from an age prior to machines. There's a guy walking around the sea floor in what looks more like a velvet courtier's outfit that a divers suit. This list is a collection of images of diving bells that evoke that same sort of weirdness, as best I could find