Electrical history: Lighting before the incandescent bulb | SPARK Museum of Electrical Invention
Light and lighting. Arc Lamp Standard (near Cockspur Street). High Pressure Gas (Victoria Street).. Special Bronze Design(Buckingham Palace and the Mall Stock Photo - Alamy
Vintage arc lamp with its gas compression regulator, XIX century engraving Stock Photo - Alamy
Arc Lamps - How They Work & History
Some of the commonly used light sources for imaging purposes. A-gas arc... | Download Scientific Diagram