the shape of letters were used to form gas lit advertising signs, prior to the introduction of neon lights, as early as 1857 in Grand Rapids, Michigan. Gas lighting is still in common use for camping lights. Small portable gas lamps, connected to a portable gas cylinder, are a common item on camping trips. Mantle lamps powered by vaporized petrol, such as the Coleman lantern, are also available. Gallery See also Blau gas Carbide lamp Gaslaternen-Freilichtmuseum Berlin, an outdoor gas lantern museum in Berlin Limelight List of light sources Sewer gas destructor lamp Thomas Thorp Tilley lamp References Notes Bibliography External links Pro Gaslicht e.V. : Association for the Preservation of the European Gas-light Culture (German). Listing of the cities with gaslight. Gaslaternen-Freilichtmuseum Berlin Open-air museum on gas lighting in Berlin (German). Chinese inventions English inventions Gas technologies Infrastructure Industrial gases Lighting Scottish inventions Types of lamp