Related Clues:

• Act drunk at address with half a bitter? It's some measure of what someone is driving at!
• It could supply to them race speed recorder
• The quickness of old gauge measures velocity
• Hector and mate fixed device giving engine speed
• How one measures speed that causes the cream to curdle
• The car to me is mysterious — this is just one instrument
• Teacher Tom (anag.)
• Travelling clock?
• Car's mph gauge
• Gauge showing rpm
• Recorder of speed? Move me to the car!
• Device for measuring speed
• Racer's gauge
• Where to read RPMs
• Revealing bathing suit's unit of measurement?