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