Related Clues:

• Postal gizmo
• Pianist's drill
• Taxi part
• Rhythm of the rhyme
• Water usage measurer
• Monthly reading
• 1-to-10, often
• 1 inch = 100 miles, e.g.
• Taxicab device
• "1 inch = 10 miles," e.g.
• See 24 Across
• Poetic da-DUM, da-DUM, da-DUM, e.g.
• Weighing device
• It might go from 0 to 60 minutes
• Cab fare calculator