Related Clues:

• Rotary phone feature
• Ebony counterpart?
• 'Don't touch that ___!'
• Push-button forerunner
• Old radio part
• Numbered circle
• Thermostat feature
• White key, informally
• Word with ''tower'' or ''Coast''
• Push-button alternative
• 'It floats' sloganeer
• Tune in
• Lock feature
• Use an old-fashioned phone
• Traditional key material