| 31. | These entrances are defined by short white-painted columns with decorative composite capitals supporting an embellished semi-circular arch.
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| 32. | The semi-circular arch which rises from the abacus has the same serried planes and circular mouldings as the jambs.
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| 33. | The ground floor, carries semi circular arches in contrast to the squared openings on the basement and first floor levels.
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| 34. | One incontrovertible rule governed all Ancient Roman architecture a semi-circular arch is exactly twice as wide as it is high.
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| 35. | The main entrance to the station is through a covered stone porch framed by three semi-circular arches supported by columns.
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| 36. | The fenestration at the west facade is similar to that at the main, except with circular arches at the upper level.
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| 37. | In the facades of St Denis, Chartres, Mantes, Laon and Paris, the rose was put under a circular arch.
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| 38. | The doors have drips over them, and the two into the front apartment have semi-circular arches, the others lintels.
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| 39. | The entrance is at the east end and is formed by a semi-circular arch with stepped windows above that light the stairwell.
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| 40. | A projecting, one-storey, cubical reception section provides access to the nave through a semi-circular arch with iron grillework.
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