Related Clues:

• Post office need
• Symbol of justice
• Butcher-shop device
• Music combo?
• Weighing machine
• Pianist's drill
• 1-to-10, often
• 1 inch = 100 miles, e.g.
• Ninth, e.g.
• "1 inch = 10 miles," e.g.
• See 24 Across
• Weighing device
• 1 inch = 10 miles, e.g.
• 1" = 100', e.g.
• Post-office machine