Accession Number: 2002.141.1
Description: Abacus has a wooden frame covered with white lacquered plastic; blue wooden beads arranged in 13 columns on metal rods; each rod has 4 beads below and 1 above the crossbar; on front of the frame, beneath each column, is single raised dot, and raised line between each set of 3 dots; red felt backing keeps beads secure when set.
Height: 3.75
Width: 9
Depth: 0.875
Date Made: before 1963
Maker: Cranmer, Terrence V., 1925-2001
Credit Line: Gift of Susan Strange, 2002.14
Subjects: Abacus Instructional aids, tools, and supplies Mathematical instruments Mathematics Prototypes
Dimension Notes: overall
Material: Plastic, wood, felt, metal
Updated: 04/23/2014
