Lantern

A lantern is a portable lighting tool used to illuminate broad areas. Lanterns may be used for signaling, or as general light sources for camping. Dim varieties are often used for nice-looking purposes. Some lanterns are battery-powered and have a light bulb, often of the fluorescent type. They are easy to use and relatively durable, but much less bright than propane or liquid fuel lanterns. Propane lanterns are more composite in design. A lantern of this type is typically screwed onto the top of a propane bottle. A fuel tube runs upwards from the bottle, then turns downward and is unlock at the end. The end is capped off with a small bag-shaped piece of loosely-woven fabric called the mantle. The mantle must be burned previous to its first use. Propane flowing from the fuel tube catches flames, and transfers its heat to the mantle, which incandesces like the filament in a light bulb. For safety, a cylindrical glass shield called the globe is positioned around the mantle. Propane lanterns are very clear, and can easily be used as understanding lights. Liquid fuel lanterns work in a related way except the fuel, which may be particular lantern fuel or even gasoline, is poured into a tank at the base and then the tank pressurized with a small hand pump. Liquid fuel lanterns are more regular in North America than away in the world where the fuel is easily obtained. The simplest technology used for lanterns is the candle. Candles provide only a weak light, and must be confined from wind to prevent from flickering or complete extinguishment. Decorative lanterns exist in a wide range of designs. Some hang from buildings, while others are located on or just above the ground. Paper lanterns occur in societies around the world. New varieties often place an electric light in an attractive glass case. Many people in North America stay kerosene (paraffin) lanterns in their homes. These are typically made from glass and highly decorative but have the added advantage of being a usable basis of light in case of electrical breakdown. Metal kerosene lanterns of the type frequently seen in old movies are often sold to campers. They're rarely seen in campgrounds, however.

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