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In the tomb of Theron at Agrigentum there is a single four-panel door carved in stone.In the Blundell collection is a bas-relief of a temple with double doors, each leaf with five panels.Doors were once believed to be the literal doorway to the afterlife, and some doors leading to important places included designs of the afterlife.In Egypt, where the climate is intensely dry, there would be no fear of their warping, but in other countries it would be necessary to frame them, which according to Vitruvius (iv.The ancient Greek and Roman doors were either single doors, double doors, triple doors, sliding doors or folding doors, in the last case the leaves were hinged and folded back.In Eumachia, is a painting of a door with three leaves.
Cosmas and Damiano, in Rome, are important examples of Roman metal work of the best period; they are in two leaves, each with two panels, and are framed in bronze.A door is a moving mechanism used to block off, and allow access to, an entrance to or within an enclosed space, such as a building, room or vehicle.Doors normally consist of one or two solid panels, with or without windows, that swing on hinges horizontally.When open, doors admit people, animals, ventilation or light.
The door is used to control the physical atmosphere within a space by enclosing the air drafts, so that interiors may be more effectively heated or cooled.
The Greek scholar Heron of Alexandria created the earliest known automatic door in the 1st century AD during the era of Roman Egypt.