Vintage mercury vapour discharge lamps with E40 GES screw caps. Old or retro lightbulbs. Retro. Steampunk, High pressure mercury, medium pressure Stock Photo - Alamy
27.5" Silver and Blue Mercury Glass Table Lamp with White Shade – Old Time Pottery
Elegant Designs Glass Gourd Shaped Table Lamp, Mercury | All The Rages
Mercury Glass Lamp - Etsy
The Mercury Vapor Lamp - How it works & history
Lighting-Gallery.net - good ol' mercury vapor/Osira 125w mercury vapor lamp from 1943, old!