hubometer
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Hubometer — A hubometer ( hub , center of a wheel + ometer , measure of), or hubodometer, is a device mounted on the axle of an automobile or other vehicle that measures distance traveled.The whole device rotates with the wheel except for an eccentrically… … Wikipedia
Odometer — An odometer or odograph[1][2] is an instrument that indicates distance traveled by a vehicle, such as a bicycle or automobile. The device may be electronic, mechanical, or a combination of the two. The word derives from the Greek words hodós (… … Wikipedia
Tachometer — A tachometer is an instrument that measures the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a calibrated analog dial, but digital displays are increasingly… … Wikipedia
Speedometer — [ thumb|300px| An animation of an Aston Martin speedometer, showing how an eddy current speedometer indicates the vehicle s speed.] A speedometer is a device that measures the instantaneous speed of a land vehicle. Now universally fitted to motor … Wikipedia
Spinner (wheel) — A spinner is a type of hubcap that spins independently inside of a wheel itself when the vehicle is in motion, and continues to spin once the vehicle has come to a stop. Being an attachment to the car s wheel, spinners operate by using one or… … Wikipedia
