Related Clues:
- Bit of light
- Volt-ampere
- Light-flow measure
- Projector unit
- Hurdle for Mensa membership
- Steam harnessing inventor
- Grade school administration, maybe
- Generator unit
- Measurer of brainpower
- Unit of brightness
- Word on a light bulb
- Transformer unit
- Many people get 100 on it
- Unit for measuring flow of light
- Measure of power