Related Clues:

• Unit of brightness
• Word on a light bulb
• Transformer unit
• Unit for measuring flow of light
• Measure of power
• Power measure
• Small amount of power
• Lightbulb word
• Eponymous engineer
• The 'W' of kWh
• Joule per second
• Lightbulb measure
• Light bulb power unit
• Unit of light-bulb intensity
• Steam engine pioneer