Wooden sphere geometry model

Kit, Learning

Accession Number: 1992.305

Description: The wooden sphere is dissected into 8 equal parts which are further cut into 4 pyramid shapes. Leather strips, attached with screws to the outer surfaces of the pieces, allow the sphere to be "laid open" and reassembled. There are 8 metal pegs at the top of each large section; string can be wrapped around the pegs to keep the sphere closed. Some of the leather strips are broken.

Date Made: ca. 1870.

Collection: KSB Collection

History/Provenance: KSB Collection

Credit Line: Gift of tthe Kentucky School for the Blind, 1992.305

Subjects: Geometry Instructional aids, tools, and supplies Tactile graphics

Dimension Notes: 8 in. diameter .

Material: Wood; leather; metal.

Updated: 05/11/2021