Abacus (architecture)
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In architecture, an abacus is a flat slab forming the uppermost member or division of the capital of a column, above the bell. Its chief function is to provide a large supporting surface, tending to b
1898 illustration of abacuses of many capitals in various styles
Abacus of the Rampurva capital from the time of Emperor Ashoka, 3rd century BCE, India
Column
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A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In othe
National Capitol Columns at the United States National Arboretum in Washington, D.C.
Columns of the Parliament House in Helsinki, Finland
Column of the Gordon Monument in Waterloo
Dragon pillar from the Yingzao Fashi, Song dynasty