abacus (architecture)

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abacus

abacus , in architecture, flat slab forming the top member of a capital. In classical orders it varies from a square form having unmolded sides in the Greek Doric, to thinner proportions and ovolo molding in the Greek Ionic, and to sides incurving and corners cut in Roman Ionic and Corinthian examples. In Romanesque work the abacus is heavier in proportion, projects less, and is generally molded and decorated. In Gothic work the form varies, appearing in square, circular, and octagonal forms with molded members.

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super-abacus

A Dictionary of Architecture and Landscape Architecture | 2000 | | Â© A Dictionary of Architecture and Landscape Architecture 2000, originally published by Oxford University Press 2000. (Hide copyright information) Copyright

super-abacus. Impost-block, dosseret, or super-capital set on top of an abacus, common in Byzantine architecture.

Bibliography

Mango (1986)

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JAMES STEVENS CURL. "super-abacus." A Dictionary of Architecture and Landscape Architecture. Oxford University Press. 2000. Encyclopedia.com. 29 Nov. 2009 <http://www.encyclopedia.com>.

JAMES STEVENS CURL. "super-abacus." A Dictionary of Architecture and Landscape Architecture. Oxford University Press. 2000. Encyclopedia.com. (November 29, 2009). http://www.encyclopedia.com/doc/1O1-superabacus.html

JAMES STEVENS CURL. "super-abacus." A Dictionary of Architecture and Landscape Architecture. Oxford University Press. 2000. Retrieved November 29, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O1-superabacus.html

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	Stephen Dean at Henry Urbach Architecture. (New York).(Brief Article) Magazine article from: Art in America; 12/1/2001

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