Related Clues:
- Question for sound engineer
- A powerful measure, from what we hear
- Unit of electric power
- SI unit of power
- Scottish engineer
- Unit of power — Scottish inventor
- Engineer, coined the term horsepower, d. 1819
- Electric power measure
- What 'W' stands for on a light bulb
- Eponymous Scottish scientist James
- Electricity measurement
- Word after 60-, 75- or 100-
- Measure of brightness
- Photometry unit
- Light-bulb measure