Related Clues:
- Light-refracting element
- Tom might have one for the road!
- Cut-glass object teacher put up in the course of the afternoon
- Case yet to be developed for item pertaining to road safety
- Safety device used in road marking, invented by Percy Shaw
- Solid figure of knight turning up to be received by premier
- The 'Dark Side of the Moon' cover has one
- Reflective stud
- Teacher turning up during autopsy's a possible shedder of light
- Refracting body
- Margaret Atwood novel whose heroine paints the Virgin Mary holding a marble
- Light-reflecting stud
- Reflector found in middle of road
- Elevated teacher installed in fairly quiet block for light work
- It separates light into colour spectrum