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2. Mogul lamp - Wikipedia

   en.wikipedia.org/wiki/Mogul_lamp

   Compact fluorescent mogul-base bulbs are also available, as are adaptors to allow medium-base bulbs to be used in mogul sockets. There are usually two three-way switches near the top of the floor lamp to operate the bulbs. One controls the three-way center bulb, and the other turns on one, two, or all three (or four) of the peripheral bulbs.

3. Lampshade - Wikipedia

   en.wikipedia.org/wiki/Lampshade

   Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb to redirect the light it emits. The shade is often affixed onto a light fixture to reduce the intensity of the light to observers, shield the light from a harsh environment, or for decoration by altering the color or creating shadows.

4. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   A metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides [1] [2] (compounds of metals with bromine or iodine). It is a type of high-intensity discharge (HID) gas discharge lamp . [ 1 ]

5. Fostoria Shade and Lamp Company - Wikipedia

   en.wikipedia.org/wiki/Fostoria_Shade_and_Lamp...

   Fostoria Shade and Lamp Company had done well enough in 1892 that it declared a cash dividend in the spring of 1893. Charles Foster completed his term as United States Secretary of the Treasury, and was re-elected president of Fostoria Shade and Lamp Company. [60] [Note 8] In May the nation was shocked when Foster declared bankruptcy. [65]

6. Balanced-arm lamp - Wikipedia

   en.wikipedia.org/wiki/Balanced-arm_lamp

   A balanced-arm lamp has a base, a stand or body, (in most cases) two connected arms (in many cases fitted with springs), and a lamp-head. The lamp can be moved into almost any position, and the balancing device will maintain the position until moved again. The same overall mechanism can be employed in other devices with similar requirements ...

7. Gas mantle - Wikipedia

   en.wikipedia.org/wiki/Gas_mantle

   The mantle is a roughly pear-shaped fabric bag, made from silk, ramie-based artificial silk, or rayon. The fibers are impregnated with metallic salts; when the mantle is first heated in a flame, the fibers burn away in seconds and the metallic salts convert to solid oxides, forming a brittle ceramic oxide shell in the shape of the original fabric.