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The issue of lighting in libraries is one that is still discussed and debated today. Correct lighting makes patrons feel good and comfortable in their surroundings; bad lighting creates problems for patrons when they are looking through the stacks, and keep their visit to the library short. The lighting can even have a negative impact on the staff, who works there. If the lighting harms the ability for the staff to function, which can happen if lighting creates glare and heavy shadows, then the library will have less productivity. All in all, the library, with incorrect lighting would not be welcoming.〔 Denise Enriquez, "Let There Be Light," Library Talk 12, no. 5 (1999): 8, http://web.ebscohost.com.〕 ==History== The coming of the electric light into society had a huge impact as well. Electric lighting has not always been around, and libraries had to function without it. The dawning of the electric light caused a huge impact in the library itself. This 19th-century innovation changed the library, and other public places, from relying on natural light, to a technology that could work no matter what time of day. Before the electric light, the library was so dependent on daylight that the sun determined its operating hours. Other technologies before the electric light were too unstable; open flamed lighting was just too risky because of the fire implications. Books could not be near open flames, since one accident could destroy the whole building, and its collection.〔 Jeffrey Scherer, “Light and libraries,” Library Hi Tech 17, no. 4 (1999): 358, http://newfirstsearch.oclc.org.〕 There was gaslight technology available, though, before electricity came around. It created light in dark spaces, but it was not a stable source. The issue of carbon dioxide poisoning, since its light was fed by natural gas to keep it running, was a huge problem. The issue of intoxication by gas, and the instability of the gas (which could result in explosions), led to the popularization of electricity. With the electric light, all of these problems discussed above were gone. There was not issue of death by explosion, as with the gaslight, and no more dependence on just natural light.〔 John P. McKay, review of Disenchanted Night: The Industrialization of Light in the Nineteenth Century, by Wolfgang Schivelbusch, trans. Angela Davies, Isis 81, no. 4. (1990): 789, http://links.jstor.org.〕 Now, the library could be open at any hour, which created more access to information for the patrons.〔 Jeffrey Scherer, "Light and libraries," Library Hi Tech 17, no. 4 (1999): 358, http://newfirstsearch.oclc.org.〕 In an interesting twist, the 19th century is now having problems adjusting to this new technology that was created. With books produced in the 19th century, they are the most susceptible to electric lighting. Books were in high demand, during the 19th century, so to keep up with the desire of people, manufactures turned to cheap ways to increase outputs of books. This cheap process is now failing under the pressure of modern lights, which can be traced back to the invention that changed libraries in the 19th century.〔 Shirley K. Baker, “Preserving the 19th Century's New Technology,” ed. Joel Lee, American Libraries 11, no. 10 (1980): 628, http://web.ebscohost.com.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「lighting in libraries」の詳細全文を読む スポンサード リンク
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