Plastic rulers taper on the edge. A metal caliper slide to aid in accuracy is included (also available separately). Recommended ages: 5 years and above. Two versions are offered:
- Metric-English Measurement Ruler:
Metric edge has raised lines every half-centimeter and braille numbers every two centimeters. Opposite English edge has raised lines every 1/4 inch and braille numbers at each inch.
Catalog Number: 1-03100-00
- English Measurement Ruler:
Has raised lines. Braille numbers at each inch. Fourths on one edge, eighths on the other.
Catalog Number: 1-03070-00
Catalog Number: 1-03091-00
Click this link to purchase the 1-Foot Braille Ruler.
American Printing House for the Blind, Inc.
1839 Frankfort Avenue
Mailing Address: P.O. Box 6085
Louisville, Kentucky 40206-0085
Toll Free: 800-223-1839
Web site: http://www.aph.org
APH Shopping Home: http://shop.aph.org