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Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb on a lamp 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.
It is said that the origin of the divine mirror dates back to China. [3] In China, more ancient divine mirrors have been unearthed than in Japan, and compared to the oldest mirror in Japan, the "Four divine mirrors with a rectangular shape inscribed in the third year of Seiryu," which is dated to 235 A.D., the oldest divine mirror in China is the "Leaf Vein Mirror (葉脈文鏡, Yōmyaku bun ...
Wiesel did make a ship's lantern around 1640 that has much in common with the magic lantern design that Griendel would later apply: a horizontal cylindrical body with a rosette chimney on top, a concave mirror behind a fixture for a candle or lamp inside and a biconvex lens at the front.
An illusion closely related to the checker shadow illusion, which also relies on using implied visual shadows to seemingly darken a brighter region to the same color as a well-lit dark region, involves two squares placed at an angle, with the darker square being lit and the lighter square at an angle which receives poor light. [2]
The mirrors were made out of solid bronze. The front was polished and could be used as a mirror, while the back has a design cast in the bronze, [2] or other decoration. When sunlight or other bright light shines onto the mirror, the mirror appears to become transparent. If that light is reflected from the mirror onto a wall, the pattern on the ...
The sconce is a very old form of fixture, historically used with candles and oil lamps. They can provide general room lighting, and are common in hallways and corridors, but they may be mostly decorative. [1] A sconce may be a traditional torch, cresset, candle or gaslight, or a modern electric light source affixed in the same way.