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.
James Sargent advanced this idea even further by inventing the worldâs first key-changeable combination lock in 1857. Sargent made locks smarter when he created the worldâs first time lock, which would only open at a set time, and time-delay locks, which would only open after a certain interval, in 1873 and 1880, respectively.