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The fuel is seal-oil or blubber, and the lamp is made of soapstone. [5] A qulliq is lit with a stick called a taqqut. This characteristic type of oil lamp provided warmth and light in the harsh Arctic environment where there was no wood and where the sparse inhabitants relied almost entirely on seal oil or on whale blubber. This lamp was the ...
The wood's lignin is mostly responsible for the wood's distinctive color. Consequently, the amount of lignin determines the levels of visibility in the wood, around 80–95%. [14] To make wood a visible and transparent material, both absorption and scattering need to be reduced in its production.
Table lamp fixtures, standard lamp fixtures, and office task light luminaires. Balanced-arm lamp is a spot light with an adjustable arm such as anglepoise, RAMUN or Luxo L1. Gooseneck (fixture) Nightlight; Floor Lamp Torch lamp or torchières are floor lamps with an upward-facing shade. They provide general lighting to the rest of the room.
The andon is a lamp consisting of paper stretched over a frame of bamboo, wood or metal. [1] The paper protected the flame from the wind. Burning oil in a stone, metal, or ceramic holder, with a wick of cotton or pith, provided the light. They were usually open on the top and bottom, with one side that could be lifted to provide access. [2]
1990 Michael Ury, Charles Wood, and several colleagues develop the sulfur lamp. 1991 Philips invents a fluorescent lightbulb that lasts 60,000 hours using magnetic induction. 1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering.
Video demonstrating the operation of a touch-sensitive lamp. A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may ...
Fluorescent lamp tubes are often straight and range in length from about 100 millimeters (3.9 in) for miniature lamps, to 2.43 meters (8.0 ft) for high-output lamps. Some lamps have a circular tube, used for table lamps or other places where a more compact light source is desired.
This lamp was the most important article of furniture for the Inuit, Yupik and other Inuit peoples. [9] The lamps were made of stone and their sizes and shapes of lamps could be different, but mostly were elliptical or half-moon shaped. The wicks were mostly made of dried moss or cottongrass and were lit along the edge of the lamp. A slab of ...