Search results
Results from the WOW.Com Content Network
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
A parol (pronounced [paˈɾol], US: / pɑːˈroʊl / ⓘ, also written as paról or parul, from Spanish farol, meaning lantern) is a Filipino ornamental lantern displayed during the Christmas season. Parols are traditionally constructed using bamboo and Japanese paper, and are illuminated with candles, oil lamps, or carbide lamps.
Both the Davy and Stephenson lamps were fragile. The gauze in the Davy lamp rusted in the damp air of a coal pit and became unsafe, while the glass in the Stephenson lamp was easily broken, and allowed the flame to ignite firedamp in the mine; later Stephenson designs also incorporated a gauze screen as a protection against glass breakage. [18]
Parols and Christmas lights on display at night. The parol is regarded as one of the most iconic and important symbols of the Filipino Christmas season. [1] [2]In the Philippines, Christmas (Filipino: Pasko; [pɐsˈkɔʔ]) [a] is a major annual celebration, as in most countries of the Christian world.
Gauze. Gauze is a thin, translucent fabric with a loose open weave. In technical terms, "gauze" is a weave structure in which the weft yarns are arranged in pairs and are crossed before and after each warp yarn, keeping the weft firmly in place. [1] This weave structure is used to add stability to the fabric, which is important when using fine ...
] Pipkin produced an innovative acid etching process for the inside of the globe of an electric lamp so that it did not deteriorate the lamp glass globe. [ 10 ] [ 11 ] His was a two step acid process that etched the interior of glass with tiny crevasses on the first process like in the normal procedure, but he added a second acid step that ...
An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well. The electrical connection to the socket may ...
Holiday lighting technology. A variety of sizes, shapes and colours can be seen among these lights. Holiday lighting technology has been subject to considerable development and variation since the replacement of candles by electric lights. [citation needed] While originally used during the Christmas holidays as Christmas lights, modern electric ...