Related Clues:

• Unit must head south, if serving the Queen
• Unit regularly brought in for home
• Law man's expression of surprise, meeting spy master
• In opening parts of operation, he met some resistance
• High honour overwhelms Henry, the physicist
• Medical Officer suffering setback about hospital unit
• A little resistance put up in farmhouse
• Omega, in physics
• Appeal to head of state finding some resistance
• That's surprising mass resistance
• Resistance unit primarily opposing the monarch
• Circle ruler, initially, as measure of resistance
• Hum of an electrician?
• Big name in current research?
• German electrical pioneer