Related Clues:

• Record letters
• Turntable setting: Abbr.
• Turning meas.
• LP measurement
• Spinning rate (Abbr.)
• 33 1/3 or 45: Abbr
• Rotational meas
• 45 or 78, briefly
• Tach. meas.
• Rotation stat
• Meas. of engine speed
• Rate of rotation, abbr.
• Tachometer info
• LP's 33 1/3
• 45, e.g.: Abbr.