Accession Number: 1992.83
Description: Plywood prototype arithmetic slate has conical cells (432 total: 18 cells vertically by 24 cells horizontally) and three oval tray compartments to hold the type; top edge is rounded; slight line incised on borders of top and bottom; stenciled "The Bertha Shepard Slate" and is stamped "Manufactured by AMERICAN PRINTING HOUSE FOR THE BLIND."
Date Made: ca. 1932
Place of Origin: Louisville, KY
Collection: APH Collection
History/Provenance: APH Collection
Credit Line: APH Collection, 1992.83.
Subjects: Blind Mathematic Slates Instructional aids, tools, and supplies
Dimension Notes: 1.5 x 29.2 x 26 cm.
Made: American Printing House for the Blind
Material: Wood
Updated: 04/29/2014
