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.
Building a Business. With his two sons, Otis founded the Union Elevator and General Machine Works Company. He debuted his invention at New York's Crystal Palace Exhibition in 1853. The impresario P. T. Barnum was there to hype the stunt and attract a crowd. Otis's alarming demonstration increased orders for his hoist machines.. Otis, a compulsive tinkerer, made numerous improvements to his elevator and patented other inventions, but he never managed to run a successful business.