Braille and tactile rulers have raised lines and markings to help people who are blind or visually impaired to measure length.
Strengths:
Meterstick - Information from the APH Website:
This plastic meterstick has raised lines every centimeter and braille every other centimeter. It is drilled for hanging and has thick raised lines for decimeters.
Limitations:
Not very precise. May be possible to accurately measure .5 centimeters or .25 inch.
Ordering Info:
Adapted rulers and meter sticks available from APH, some in standard units and some in metric units.
Braille meterstick available for $25.00 (See link)
Catalog Number: 1-03000-00
Format: Product