Title: Abacus
Object type: Abacus
Date: ca. 1130–40
Culture: Catalan
Medium: Marble
Dimensions: Overall: 23 x 6 1/2 x 23 in. (58.4 x 16.5 x 58.4 cm)
Classification: Sculpture-Architectural
Credit line: The Cloisters Collection, 1925
Geography: Made in    present-day France      
Department: The Cloisters
Repository: Metropolitan Museum of Art, New York, NY