- 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
