Eudicot is actually same as dicot-and it is not the same. It is quite new name for  modern dicots. The plants that are not eudicots could be called paleodicots referring to their more primitive origin.
Invented by : Elisha Graves Otis. Invented in year : 1852. Elevator is a lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people or cargo from one floor to another in a building. They are also known as Lifts.
This elevator boasted speed of 420 meters/minute. In 1930s, elevator technology had been around for 75 years and architects could dream of skyscrapers as high as 100 stories and more. And this was the time when Mitsubishi also entered in the elevator business.