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.
With his safety brake, Otis literally started the elevator industry. His invention enabled buildings â and architectsâ imaginations â to climb ever skyward, giving a new and bolder shape to the modern urban skyline. Mr. Otis sold his first safe elevators in 1853. Today, more than a century and a half later, Otis still stands as the worldâs leading elevator company, with more than 60,000 employees serving customers in nearly every country on earth.