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 It was widely used starting in the 1870s for street and large building lighting until it was superseded by the incandescent light in the early 20th century.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
Coal Miner (statue) was cast later, in 1966, and dedicated in 1967. Both statues were cast at the Spampinato Art Workshop foundry in Chicago. "The Coal Miner", which measures , is installed in the northwest corner of the Indiana Statehouse lawn and faces west. The figure wears overalls, boots, a belt, a long-sleeve shirt, and a miner's hat. He has a contrapposto stance with his proper left foot forward. He carries a miner's fire safety lamp, or "bug light", in his proper left hand, which is at his side. His proper right hand is raised, gripping the base of a miner's pick axe