Martin Cubarithm Slate

Slate, Arithmetic

Accession Number: 2016.6.3

Description: (a) dark brown gridded rectangular tray cast from a resin infused with wood fiber; 15 x 10 grid; bottom of each slot has a slight shelf around the edge to allow the types to lay square in the hole; (b-f) five (5) cubes cast from printer's type-metal with five braille symbols and a dash cast into the faces.

Height: 5.188

Width: 7.75

Depth: 0.563

Date Made: ca. 1930

Place of Origin: Paris, France

Credit Line: Gift of Mireille Duhen, 2016.6.

Subjects: Blind Mathematics Slates Instructional aids, tools, and supplies

Dimension Notes: overall, cubes are 7/16" square (1 cm.)

Made: Institut National des Jeunes Aveugles

Material: Wood, resin, lead-tin-antimony alloy

Updated: 02/28/2019