Light Lamp
Lamp: history of light houses
The lights are used to shed light since the First Time even before they invented electricity, and lighting is provided a new meaning again. The use of fire has been classified into two periods: the period is the pre-electric and place.
The pre-electric age
The creation and first use the light goes back to 70,000 BC. At that time no metal or brass light of civilization and then instead of using stones and empty shells. The stone was empty and filled with moss and other Natural Disasters, head of the animal fat. Acted as animal fat oil, and this is what the first light.
With the advent of pot and brass and bronze age, people began to live lamp emulate natural way. Wicks born much later and used to control the speed of fire or combustion. The 7th century BC C. the Greeks began to use a clay lamp, which replaced the Torches to reach. In view of the word is derived from the Greek word for Torch.
To lighting and the design of modified
There Was a significant change in design of light in the 18th century, when central burner was invented. With the recorder of the invention, a fuel source is metal. Another small change is the addition of a metal tube that can be adapted to control the intensity of the fire or light.
It is a breakthrough in terms of lighting, and for the adjustment, people are reduced or bright light when needed. Another aspect that added the new light that is in the form of glass chimneys. The role of the chimney glass is to protect the fire and to control airflow.
The Swiss chemist Ami Is using a circular wick Argand lamp for the first time in 1783.
Fuels for lighting
The different types of fuels used for lighting the lamp between 70,000 a. C. and now. Most of the earliest form of fuel is beeswax, olive oil, animal fat, fish oil, sesame oil, fat oil, walnut oil, etc. also include methods of fuel used to heat the food until the late 18th century.
Around 1859 the first drilling process was launched to find oil and the arrival of gas, a petroleum products, electricity is becoming more popular and widely used. Permits gas lighting was introduced in Germany in 1853.
During the same time, the two products are used to light and light are natural gas and coal. The first use of coal gas in the irradiation is 1784.
Electric lamp light:
Light may come a Long Way to use coal gas to electricity. In 1801, Sir Humphrey Davy of England invented the carbon arc lamp, which is the first of its kind. The operating principle of the light ray is simple and has two bars a source of carbon.
The carbon rods will remain at a distance apart to the electric current can flow up by carbon arc spray and create white light. Around 1857, AE Becquerel of France came the theory of fluorescent lamp light. In the 1870s, the unthinkable happened to Thomas Edison invented the first incandescent light bulb. Since then, lamps were used for incandescent lights with house near the 20th century.
In 1901, Peter Cooper Hewitt patented his invention, the dogs mercury lamp. Another type of improvement arc lamps lighting dog with mercury, which is sealed in a glass jar. The mercury vapor lamps, established the prototype of the fluorescent light.
The neon was invented by Georges Claude of France in 1911, followed by Irving Langmuir, an American invented the gas-filled electric incandescent light 1915. In 1927, Spannan Hans Friedrich Meyer and Edmund Germer patented the first fluorescent lamp. Lamp L 'to provide the best fluorescent lamps compared with mercury vapor covered in beryllium.
Since then, is used in various Alternatively light of lamps, including mercury vapor, incandescent lamps and even now in some corner of the earth, people still use the old wick and oil lamps for lighting their home.
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