Odometer
An odometer or odograph[1][2] is an instrument that shows the distance traveled by a vehicle, such as a bicycle or automobile. It can be electronic, mechanical, or a combination of the two. The name comes from the Greek words hodós ("path" or "gateway") and métron ("measure"). It is sometimes called a mileometer or milometer.
Odometer Media
Reconstruction of Vitruvius' odometer, 1st century BC, Roma, Thessaloniki Science Center and Technology Museum
A reconstruction of Hero' odometer, 1st century AD, Alexandria, in Kotsanas Museum of Ancient Greek Technology, Athens, Greece.
A Han dynasty stone rubbing of a horse-drawn odometer cart
Colorni's carriage with odometer, from Euthimetria, Herzog August Library
A Hubodometer on a wheel of a semitrailer
A Smiths speedometer from the 1920s showing odometer and trip meter
After reaching the maximum reading, an odometer or trip meter restarts from zero, called odometer rollover. Digital odometers may not rollover.
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References
- ↑ Oxford English Dictionary (online):''odograph''Oed.com. Retrieved 2011-11-12.
- ↑ American Heritage Dictionary (online: Dictionary.com): ''odograph''Dictionary.reference.com. Retrieved 2011-11-12.
