موسوعة العلمـاء و المخترعين .. المخترعون بالترتيب حسب اسم الشهرة .. الحرف د

Encyclopedia of Scientists and Inventors.. Inventors in order according to their nickname.. The letter d

⏹ Darby, Abraham Senior
Darby, Abraham senior

Industrialist (British?) (1677-1717)
Darby devised the process of making coke from bituminous coal. Since he was related to the problems of the traditional iron industry at that time, he devised the idea of ​​using coke in that industry, and thus it was possible to push this industry forward.

⏹ Deluc, Jean André

Swiss geologist and atmospheric scientist
( 1727 - 1817 )
Dalluk was born in Switzerland, and emigrated to England when he was in his fifties.
He has funny opinions about the age of the earth, as he interpreted the six days of creation, which are mentioned in the heavenly books, as six geological periods. Despite this, he had clear physical observations.
Dalok invented a device for measuring air humidity (hygrometer) and invented a dry electric battery, which was later improved by Zamboni.

Deghair, Louis Jacques Mande
Daguerre, Louis Jacque Mandé

French inventor (1789-1851)
Djeer began his life as a landscape painter.
Then he participated with Niepce in the development of optical imaging. Djeer could not achieve much success during the life of his partner. When he succeeded in developing a new style, his method was innovative, but it was characterized by primitiveness on the one hand and difficulty on the other hand.
- Photocopiers of Daugher 1839 (on the left), Steinheil 1839 (in the middle) and Focktländer, 1841 (on the right).

⏹ Dalén, Nils Gustav

Swedish engineer (1869 - 1937)
Dalen learned in Geteborg · Goteborg and Zurich, then became an inventor and expert in the use of gas • He invented self-illumination for uninhabited beacons and railway signals • During his experiments, an explosion occurred that made him blind, but he nevertheless continued his studies until his death.
He won the Nobel Prize in 1912 in physics, one year before the accident.

⏹ Dance, George Dance,

British architect (1700-1768)
Dance emerged as a designer of huge and beautiful buildings, and he is the father of architect George (1741-1825), who was a distinguished artist, as he designed Guidhall.
Dance designed the Mansion House in London.

⏹ Daniel, John Frederick
Daniel, John Frederick

British chemist and physicist (1790-1845) Daniel was interested in studying physical and chemical phenomena, especially with regard to electricity and the atmosphere.
He invented the battery (column) that bears his name: Daniel's column to produce an electric current.
He also invented a humidifier, a device for measuring air humidity (hygrometer), which also bears his name: Daniel Humidifier.
Daniel has shown the importance of humidity in warm closed greenhouses. It is noted that the name Daniel is sometimes pronounced in Arabic Daniel.
- Daniel's Column (Daniel's Column).