موسوعة العلمـاء و المخترعين .. المخترعون بالترتيب حسب اسم الشهرة .. الحرف ٣_د

Encyclopedia of Scientists and Inventors..the inventors in order according to their nickname..the letter 3_d

⏹ Davis William Davis, William

American inventor (1812 - 1868)
Davis devoted most of his attention to the topic of preserving foods by refrigeration and transporting them in refrigerated vehicles, so he invented an advanced refrigerated transport vehicle (refrigerator) for transporting fish, meat and fruits.

⏹ Decauville, Paul Decauville, Paul

French inventor and industrialist (1846-1922)
Deauville was concerned with the production of narrow-gauge railway supplies, which bear the name Deauville, and are characterized by the presence of detachable, transportable and transformable lines.

⏹ De la Rue, Warren de la Rue,

British inventor and astronomer (1815-1889)
De la Rue invented the envelope making machine (mailing) making a relatively large and advanced telescope of the reflective type.
He photographed the moon, designed a hologram, and photographed the sun with it on a daily basis.
He has important research in chemistry and electrical gases.

⏹ Daimler, Gottlieb

German mechanical engineer and inventor (1834-1900)
One of the brightest pioneers in the development of the automobile industry and internal combustion engines in general, he registered in 1883 a patent for a high-speed internal combustion engine, which he used in 1887 in cars bearing the name Daimler.
In 1885 he built the first two-wheeled vehicle powered by an internal combustion engine. This was followed in 1886 by building an amphibious vehicle powered by a Daimler engine, and after that he united his efforts with Benz and merged into the Daimler-Benz company, which began producing engines and cars, including the Mercedes car in 1926. The aforementioned company has a large number of subsidiary companies.
A commemorative stamp for Demer's first car on the occasion of the 75th anniversary of the invention of cars.

⏹ de Havilland, Sir Geoffrey
de Haviland, Sir Geoffrey

British Aeronautical Engineer ( 1965 - 1882 )
De Havilland emerged as an aircraft designer and manufacturer, producing aircraft bearing the de Havilland name.

⏹ Dewar, Sir James Dewar

British inventor, chemist and physicist (1842-1923)
Dewar taught Natural Philosophy at Cambridge and taught at other famous institutes.
He worked on the issue of gas liquefaction. He participated with Sir Abel in the production of the explosive substance called Cordite.
He was elected a Fellow of the British Royal Society.
The Thermos was one of Dewar's important inventions.

⏹ de Seversky, Alexander Prokofiev
de Seversky Alexander Procofieff

Russian and American aviation engineer and navigator (1894- )
De Seversky emigrated to America at the age of thirty-one.
He designed many aircraft and was the head of the aircraft production company bearing his name.
He invented a number of devices used in airplanes, including the invention of a bomb launcher, which the state rushed to buy from him.
He has written books on aviation and war, including a book entitled Victory Through Air Force. Victory Through Air - Power was released in 1942.