Related Clues:

• Justice prop
• Butcher's device
• 100 to 1, e.g.
• Pi, for instance
• Bathroom floor item
• 10:1 or 5:2, e.g.
• Post office need
• Symbol of justice
• Butcher-shop device
• Weighing machine
• Pianist's drill
• Numerical proportion
• Sine or tangent, e.g.
• Mathematical proportion
• Mathematical comparison