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An alcohol burner or spirit lamp is a piece of laboratory equipment used to produce an open flame. It can be made from brass, glass, stainless steel or aluminium. [1]
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 ...
Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.
The Art of Unix Programming: 2003: 2005 [5] book about the history and culture of Unix programming by Eric S. Raymond (with added proviso) CC BY-ND 1.0 [6] A Briefer History of Time: 1999: 2004 [7] science humor book by Eric Schulman: CC BY-ND-NC 1.0: Archimedes Palimpsest: 3rd century BC: 2008: reconstructed and released by OPenn as Free ...
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Jewelers and glassblowers engaged in lampwork have used the blowpipe since ancient times, with the blast being powered by the user's lungs. For small work, a mouth-blown blowpipe may be used with a candle flame or an alcohol lamp, with established techniques for applying oxidizing and reducing flames to the workpiece or
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Before the American Civil War many farmers in the United States had an alcohol still to turn crop waste into free lamp oil and stove fuel for the farmers' family use. Conflict over taxation was not unusual; one example was the Whiskey Rebellion in 1791. In 1826, Samuel Morey uses alcohol in the first American internal combustion engine ...