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  2. Nachiarkoil lamp - Wikipedia

    en.wikipedia.org/wiki/Nachiarkoil_Lamp

    The Nachiarkoil lamp is made both in bell metal and brass; brass is more in vogue now since it is easily available and cheaper. The lamp has four components which are: parts—base "Keezhbagam (base plate), "kandam" meaning pivotal post, "Thanguli" a bowl with five groves to hold wicks and oil for lighting, and the "Prabhai" which is the crown.

  3. Category:Images of butterflies and moths - Wikipedia

    en.wikipedia.org/wiki/Category:Images_of...

    Media in category "Images of butterflies and moths" This category contains only the following file. Plate II Kallima butterfly from Animal Coloration by Frank Evers Beddard 1892.jpg 1,695 × 2,722; 1.77 MB

  4. Bubble light - Wikipedia

    en.wikipedia.org/wiki/Bubble_light

    Common screw-in bubble light. A bubble light is a decorative device consisting of a liquid-filled vial that is heated and illuminated by an incandescent light bulb.Because of the liquid's low boiling point, 39.6°C (103.3°F), the modest heat generated by the lamp causes the liquid to boil and bubble up from the vial's base thus creating a decorative effect.

  5. Fill light - Wikipedia

    en.wikipedia.org/wiki/Fill_light

    When a centered fill strategy is used the ratio is created by overlapping the key light over the foundation of fill. A key source of equal incident intensity to the fill, overlapping the even fill, [clarification needed] will create a 2:1 reflected ratio (1 key + 1 fill over 1 fill) = 2:1. The same two equal incident strength sources placed on ...

  6. Betty lamp - Wikipedia

    en.wikipedia.org/wiki/Betty_lamp

    The Crusie lamp consists of two lamp pans, one above the other. Fuel drip from the upper lamp pan fell into the lower pan minimizing oil/grease mess below the lamp. In the evolution to the Betty lamp, replacing the upper lamp pan with a metal wick holder inside the lower pan reduces the amount of metal needed for the lamp.

  7. Gas mantle - Wikipedia

    en.wikipedia.org/wiki/Gas_mantle

    Gas mantle in a street lamp (cold) Mantles in their unused flat-packed form. To produce a mantle, cotton is woven or knit into a net bag, impregnated with soluble nitrates of the chosen metals, and then transported to its destination. The user installs the mantle and then burns it to remove the cotton bag and convert the metal nitrates to ...

  8. Lepidoptera - Wikipedia

    en.wikipedia.org/wiki/Lepidoptera

    Lepidoptera (/ ˌ l ɛ p ɪ ˈ d ɒ p t ər ə / LEP-ih-DOP-tər-ə) or lepidopterans is an order of winged insects which includes butterflies and moths.About 180,000 species of the Lepidoptera have been described, representing 10% of the total described species of living organisms, [1] [2] making it the second largest insect order (behind Coleoptera) with 126 families [3] and 46 superfamilies ...

  9. Lighting - Wikipedia

    en.wikipedia.org/wiki/Lighting

    These lamps were made from naturally occurring materials such as rocks, shells, horns and stones, were filled with grease, and had a fiber wick. Lamps typically used animal or vegetable fats as fuel. Hundreds of these lamps (hollow worked stones) have been found in the Lascaux caves in modern-day France, dating to about 15,000 years ago. Oily ...