The Origins of the Computer

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…in certain cases, for example, in the tomb church in Rome of Constantine's daughter, Santa Costanza, of about 350. In the church of San Vitale in Ravenna, erected in 526-547, this was expanded to the scale of a middle-sized church. Here a domed octagon 60 feet (18 meters) across is surrounded by a corridor, or aisle, and balcony 30 feet (9 meters) deep. On each side a semicircular projection from the central space pushes outward to blend these spaces together.