Related Clues:

• Round-ending sound
• Watson's co-worker
• Plath's 'The -- Jar'
• Pet collar dangler
• Close-of-trading signal
• Inventor
• Man who found his calling?
• First to swim Lake Ontario
• Telephone inventor
• ''Saved by the ___''
• Phone inventor
• Telephone pioneer
• Church tower feature
• Fight starter
• Dinner signal