Related Clues:
- Part of a dash
- RPM indicator
- Dashboard device
- Dial for rpm
- 'Deep Space Nine role'
- Speed of rotation measurer, briefly
- Dash dial
- Dash gauge, briefly
- Dashboard dial
- Half-brother of William I
- Auto gauge
- Engine measurement device
- Rotation-speed gauge, for short
- "Deep Space Nine" constable
- Part of many a dash