海外直订Lamplighters All! a History of the Lamp Business 点燃街灯的!《灯业的历史 作者:Smythe, J. Herbert出版社:Literary Licensing, LLC出版时间:2012年10月 手机专享价 ¥ 当当价 降价通知 ¥511.00 配送至 广东佛山市 至 北京市东城区 服务 由“中华商务进口图书旗舰店”发货,并提供售后服务。
The history of the oil lamp is very long. It is said that the oil lamp was divided into lamps and oil lamps. The most popular was the oil lamp. The oil lamp had a very thin wick when the light was on. It left very little oil, because the wick was so bright and expensive tha...
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materials for a body of the lamp - terracotta, marble and metal and instead of fat, oil was used (fish and olive oil). Wick was also often added to prolong burning of the flame and to focus it. Oil lamps were the most widespread method of illumination until the end of the 18th ...
Wilhelm von Zehender and the court mechanic Heinrich Westien constructed the first binocular microscope in 1887, calling it a "corneal loupe" (von Zehender and Westien 1887). It was fitted with an objective and ocular providing tenfold magnification so that the anterior segments of the eye ...
This chapter introduces the Latin American Maize Project (LAMP) that was the first coordinated international project for evaluating a major world crop. A coordinated and cooperative effort, the germplasm enhancement of maize (GEM) project was organized among public and private sectors. The project pro...
电灯的发展史（The history of electric light）Before the advent of electric lights, the most commonly used lighting tools were kerosene lamps or gas lamps. This lamp burns kerosene or gas, so it has strong black smoke and pungent smell, and often add fuel, scrub the lampshade, so it is ...
In 1802, Humphry Davy invented the first electric light. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light. His invention was known as the Electric Arc lamp. And while it produced...
Atchley, MD,1 delivered when he was accepting the Kober Medal of the Association of American Physicians, I ran across the following quotation: It is rather disturbing for those of us who are on the far side of the generation gap to recognize that the young are relatively unaware of history...