SSC Junior Engineer Notification. SSC Junior Engineer 2015 Notification:-. Date of Notification:- 11-07-2015. Last Date of Receiving Application:- Part-I 07-08-2015 (upto 5:00 P.M.) Part-II 10-08-2015 (upto 5:00 P.M.). SSC Junior Engineer Exam 2015 Date:- 20-12-2015.
Incandescent Gas Lantern Mantles General The thorium-containing incandescent mantle was invented in 1884 by Carl Auer von Welsbach, an Austrian chemist, and it is sometimes referred to as a Welsbach mantle or Auerlicht.This invention resulted in the first commercial use of the element thorium.he thorium-containing incandescent mantle was invented in 1884 by Carl Auer von Welsbach, an Austrian chemist, and it is sometimes referred to as a Welsbach mantle or Auerlicht. This invention resulted in the first commercial use of the element thorium.
In 1860, Belgian Jean Joseph Etienne Lenoir produced a gas-fired internal combustion engine. In 1864, Nikolaus Otto patented the first atmospheric gas engine. In 1872, American George Brayton invented the first commercial liquid-fuelled internal combustion engine. In 1876, Nikolaus Otto, working with Gottlieb Daimler and Wilhelm Maybach, patented the compressed charge, four-cycle engine. In 1879, Karl Benz patented a reliable two-stroke gas engine.