Related Clues:

• Rotation stat
• Meas. of engine speed
• Rotational speed meas.
• Rate of rotation, abbr.
• Tachometer info
• LP's 33 1/3
• 45, e.g.: Abbr.
• Tach readout
• LP speed unit
• Engine speed no.
• Letters on an LP
• 45 or 78, e.g.: Abbr.
• Dashboard stat
• Abbr. on a tachometer
• 33 1/3 or 45, e.g.