Arc lamp Arc lamp An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, was the first practical electric light. It was widely used starting in the 1870s for street and large building lighting until it was superseded by the incandescent light in the early 20th century. It continued in use in more specialized applications where a high intensity point light source was needed, such as
Tyneside form the separate Wearside conurbation, although the latter has a Newcastle Upon Tyne postcode. The people of the Tyneside area, called "Geordies", have a reputation for their distinctive dialect and accent. Tynesiders may have been given this name, a local diminutive of the name "George", because their miners used George Stephenson's safety lamp (invented in 1815 and called a "Georgie lamp") to prevent firedamp explosions, rather than the Davy lamp used elsewhere. An alternative explanation relates that during the Jacobite risings of 1715 and 1745 the Tynesiders declared their allegiance to the Hanoverian kings of Great Britain George I and