Historical information
30 cm tactile yellow ruler with black marking every 5 centimeters with raised markings, has two different edges - straight and notched. The straight edge can be used for measuring and drawing, and the notched edge designed to help place pins when creating charts and graphs or using a compass. There are non-slip pads on the back of the ruler.
Physical description
1 yellow ruler with black large print numbers and black measurement indicators
Inscriptions & markings
RNIB LT21 (on back)
