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.
The earliest known reference to an elevator is in the works of the Roman architect Vitruvius, who reported that Archimedes (c. 287 BC â c. 212 BC) built his first elevator probably in 236 BC. Some sources from later historical periods mention elevators as cabs on a hemp rope powered by hand or by animals.