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Hobby Lobby Stores, Inc., formerly Hobby Lobby Creative Centers, is an American retail company. It owns a chain of arts and crafts stores with a volume of over $5 billion in 2018. [ 1 ] The chain has 1,001 stores in 48 U.S. states.
The Arco lamp is a modern floor lamp designed by brothers Pier Giacomo and Achille Castiglioni for Flos in 1962. [1] The lamp is characterized by a suspended spun aluminum pendant attached to an upright block of Carrara marble via a cantilevered arching arm made of stainless steel.
Arc lamps were superseded by filament lamps in most roles, remaining in only certain niche applications such as cinema projection, spotlights, and searchlights. In the 1950s and 1960s the high-power D.C. for the carbon-arc lamp of an outdoor drive-in projector would typically be supplied by a motor-generator combo (AC motor powering a DC ...
The arc then continues to burn, gradually consuming the carbon electrodes and the intervening plaster, which melts at the same pace. The first candles were powered by a Gramme machine . The drawback of using direct current was that one of the rods would burn at twice the rate of the other.
A carbon button lamp contains a small carbon sphere positioned in the center of an evacuated glass bulb. This type of lamp must be driven by high-frequency alternating current , and depends on an electric arc or perhaps a vacuum arc to produce high current around the carbon electrode.
An arclight or arc lamp is a lamp that produces a bright light by generating an electric arc across two electrodes. ... Arc Light or arc light may also refer to: Arts ...