موسوعة العلمـاء و المخترعين .. المخترعون بالترتيب حسب اسم الشهرة .. الحرف ٥_أ

Encyclopedia of Scientists and Inventors..the inventors in order according to their nickname..the letter 5_a

Anwin, Sir Raymond
Unwin, Sir Raymond

English architect (1863 - 1940)
Unwin was an expert in planning and organizing cities. Designed a number of large gardens and famous parks in England.

⏹ Outred, William Oughtred , William

Mathematical Sciences Writer, English (1575-1660)
Outard learned in Cambridge at the expense of the church, and he was the first to use mathematical symbols, such as multiplication and division, and other things in calculating trigonometry. He invented the horizontal and circular slide-rule before Gunter (1581-1626). He also invented a horizontal machine to specify and number circular counters such as the watch dial. . He wrote a book in Latin about trigonometry called Clavis Mathematic.

⏹ and Dre, Eugene Houdry, Eugene

French-American engineer (1892 - 1962)
Audrey was born in France, then left it when it fell into the hands of the Nazis, so he immigrated to America and acquired American citizenship · He invented and developed ways to make liquid fuel for engines from coal and brown coal. He pioneered the method of making liquid fuel from coal, as well as the synthesis of gasoline from heavy oils. These methods are now being studied by oil energy experts in industrialized countries disturbed by the rise in oil prices. In addition to the synthesis of various types of liquid fuel (oil), Awdry had important research in the industrial production of rubber.

⏹ Owens, Robert Bowie
Owens, Robert Bowie

American chemist and engineer (1870-1940)
Owens was educated at several American universities and held the position of an engineering teacher in Nebraska, from which he moved to other universities.
He invented an electromagnetic device for adjusting direction in navigation, and a differential machine
And an electrical device for measuring acceleration: an accelerometer. Owens has made important discoveries in the phenomenon of atomic radiation.

⏹ Onz Michael Joseph
Michael Joseph Owens,

American inventor (1859 - 1923)
Onz enjoyed a great manufacturing capacity, in addition to his success as an administrator and businessman.
He invented a device for making bottles (bottles) automatically and made improvements to it. Onnes worked in the production of glass bottles and plates, and partnered with Libbey in a glass-making company.

Ayrton, William Edward
Ayrton, William Edward

English physicist (years 1847 - 1908)
He learned at the University of London and held the position of Professor of Natural Sciences and Telegraphy at the Imperial College of Engineering in Tokyo He returned to Britain as a professor of applied physics and invented several inventions He jointly invented with Perry an ampere (a measure of current in amperes) as well as a voltmeter (a measure of current in volts ).