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Seal oil lamps. The Inuit oil lamps were made mainly of soapstone, but there are also some made of a special kind of pottery. [12] Sizes and shapes of lamps could be different, but most were either elliptical or half-moon shaped. [13] The taqquti or wick trimmers, also known as lamp feeders, were made of wood, willow, soapstone, bone or ivory. [14]
Retrobright consists of hydrogen peroxide, a small amount of the "active oxygen" laundry booster TAED as a catalyst, and a source of UV. [7]The optimum mixture and conditions for reversing yellowing of plastics:
Döbereiner's lamp, also called a "tinderbox" ("Feuerzeug"), is a lighter invented in 1823 by the German chemist Johann Wolfgang Döbereiner. The lighter is based on the Fürstenberger lighter (invented in Basel in 1780; in which hydrogen gas is ignited by an electrostatically generated spark). Döbereiner's lamp was in production until ca. 1880.
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 ...
The original Berger lamp used methyl alcohol, while modern lamps use isopropyl alcohol (90% or more). [5] Perfumes or essential oils may be added. To start the catalytic process it is necessary to allow the wick to thoroughly absorb the fuel and then to light the catalytic burner with a flame and let it burn for approximately two minutes until the catalytic stone reaches the correct operating ...
A plasma ball, plasma globe, or plasma lamp is a clear glass container filled with noble gases, usually a mixture of neon, krypton, and xenon, that has a high-voltage electrode in the center of the container.
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.
Note 7] The Fostoria Shade and Lamp company was the largest manufacturer of lamp shades in the United States. [54] In November, concern over a tariff caused wholesalers and resellers to pause buying glassware, forcing manufacturers to put employees on half time so the company would not be overloaded with unsold products.