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1. Compare - without doubt the biggest advantage that the Odometer offers shoppers today is the ability to compare thousands of Odometer at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
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4. Questions - Got a question about Odometer then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
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8. Security - check for the yellow padlock on the Odometer site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Odometer, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Odometer, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
An
odometer (often known colloquially as a
mileometer or
milometer) is a device used for indicating distance traveled by an automobile or other vehicle. It may be electronics or
Machine. The word derives from the
Ancient Greek words
hodós, meaning 'path' or 'way', and
métron, 'measure' (an older name for this device is
hodometer).
Synopsis
Mechanical odometers usually appear as a row of wheels with an edge of each wheel exposed to the driver. There are digits written on the edges of these wheels. A mask obscures these wheels from view, except for one row of digits which can be seen through a window in the mask.
On older cars, odometers could only indicate up to a value of 99,999. At 100,000, the odometer would restart from zero. This is known as odometer rollover. Newer cars usually have odometers that can indicate up to a value of 999,999.
A common form of fraud is to tamper with the reading on an odometer, this is often referred to as 'clocking'. This is done to make a car appear to have been driven less than it really has been, and thus increase its apparent market value. Many new cars sold today use digital odometers that store the mileage in the vehicle's engine control module making it difficult (but not impossible) to manipulate the mileage electronically. With mechanical odometers, the speedometer can be removed from the car dash board and the digits wound back, or the drive cable can be disconnected and connected to another odometer/speedometer pair while on the road.
History
.
Western world
Possibly the first evidence for the use of an odometer can be found in the works of Pliny the Elder (NH 6. 61-62) and Strabo (11.8.9). Both authors list the distances of routes traveled by
Alexander the Great (r. 336-323 BC) as measured by his
bematists Diognetus and Baeton. However, the high precision of the bematists's measurements rather indicates the use of a mechanical device. For example, the section between the cities Hecatompylos and Alexandria Areion, which later became a part of the
silk road, was given by Alexander's bematists as 529
Mile long, that is with a deviation of 0.4% from the actual distance (531 English miles). From the nine surviving bematists' measurements in Pliny's
Natural History (Pliny) eight show a deviation of less than 5% from the actual distance. Three of them even less than 1%. Since these minor discrepancies can be adequately explained by slight changes in the tracks of roads during the last 2300 years, the overall accuracy of the measurements implies that the bematists already must have used a sophisticated device for measuring distances, although there is no direct mentioning of such a device.
An odometer for measuring distance was first described by
Vitruvius around 27 and 23 BC. The actual invention
may have been by Archimedes of Syracuse during the
First Punic War. Hero of Alexandria describes a similar device in chapter 34 of his
Dioptra. The machine was also used in the time of Roman Emperor Commodus (c. 192 AD), although after this point in time there seems to be a gap between its use in Roman times and that of the 15th century in Western Europe.Needham, Volume 4, 285.
The odometer of Vitruvius was based on chariot wheels of 4 feet (1.2 m) diameter turning 400 times in one Roman
mile (about 1400 m). For each revolution a pin on the axle engaged a 400 tooth cogwheel thus turning it one complete revolution per mile. This engaged another gear with holes along the circumference, where pebbles (
calculus) were located, that were to drop one by one into a box. The distance travelled would thus be given simply by counting the number of pebbles. Whether this instrument was ever built at the time is disputed. Leonardo da Vinci tried to build it according to the description but failed. Later, Ben Franklin invented his own version. Benjamin Franklin invented a simple odometer when he was going on trips in carriages. He wanted to know how far he was going, and the speed he was travelling.
China
The device was also later invented in ancient China, possibly by the profuse inventor and early scientist
Zhang Heng (78–139 AD) of the
Han Dynasty (
202 BC BC–220 AD). Zhang Heng is often accredited with the invention of the first odometer device in China, an achievement alongside earlier contemporaries Archimedes and Heron of Alexandria from the Hellenized West. By the 3rd century (during the Three Kingdoms Period), the Chinese had termed the device as the 'jì lĭ gŭ chē' (記里鼓車) , or 'li (unit)-recording drum carriage' (Note: the modern measurement of li = 500 m/1640 ft).Needham, Volume 4, 281. Chinese texts of the 3rd century tell of the mechanical carriage's functions, and as one li is traversed, a mechanical-driven wooden figure strikes a drum, and when ten li is traversed, another wooden figure would strike a gong or a bell with its mechanical-operated arm.
Despite its association with Zhang Heng or even the later
Ma Jun, there is evidence to suggest that the invention of the odometer was a gradual process in Han Dynasty China that centered around the
huang men court people (ie. eunuchs, palace officials, attendants and familiars, actors, acrobats, etc.) that would follow the musical procession of the royal 'drum-chariot'.Needham, Volume 4, 283. The historian Joseph Needham asserts that it is no surprise this social group would have been responsible for such a device, since there is already other evidence of their craftsmenship with mechanical toys and such to delight the emperor and the court. There is speculation that some time in the 1st century BC (during the Western Han Dynasty), the beating of drums and gongs were mechanically-driven by working automatically off the rotation of the road-wheels. This might have actually been the design of one Loxia Hong (c. 110 BC), yet by 125 AD the mechanical odometer carriage in China was already known (depicted in a mural of the Xiao Tang Shan Tomb).
The odomoter was used also in subsequent periods of Chinese history. In the historical text of the
Jin Shu (635 AD), the oldest part of the compiled text, the book known as the
Cui Bao (c. 300 AD), recorded the use of the odometer, providing description (and interestingly enough attributing it to the Western Han era, from
202 BC BC–
9 AD).Needham, Volume 4, 282. The passage in the
Jin Shu expanded upon this, explaining that it took a similar form to the mechanical device of the South Pointing Chariot invented by Ma Jun (200–265, see also
differential gear). As recorded in the
Song Shi of the Song Dynasty (
960-
1279 AD), the odometer and South Pointing Chariot were combined into one wheeled device by engineers of the 9th century, 11th century, and 12th century (refer to
South Pointing Chariot). The
Sun Tzu Suan Ching (Master Sun's Mathematical Manual), dated from the 3rd century to 5th century, presented a mathematical problem for students involving the odometer. It involved a given distance between two cities, the small distance needed for one rotation of the carriage's wheel, and the posed question of how many rotations the wheels would have in all if the carriage was to travel between point A and B.
In full description
The historical text of the
Song Shi (1345 AD), recording the people and events of the Chinese
Song Dynasty (
960–1279), also mentioned the odometer used in that period. However, unlike written sources of earlier periods, it provided a much more thoroughly detailed description of the device that harkens back to its ancient form (Wade-Giles spelling):
The odometer. mile-measuring carriage is painted red, with pictures of flowers and birds on the four sides, and constructed in two storeys, handsomely adorned with carvings. At the completion of every li, the wooden figure of a man in the lower storey strikes a drum; at the completion of every ten li, the wooden figure in the upper storey strikes a bell. The carriage-pole ends in a phoenix-head, and the carriage is drawn by four horses. The escort was formerly of 18 men, but in the 4th year of the Yung-Hsi reign-period (987 AD) the emperor Thai Tsung increased it to 30. In the 5th year of the Thien-Sheng reign-period (1027 AD) the Chief Chamberlain Lu Tao-lung presented specifications for the construction of odometers as follows:
What follows is a long dissertation made by the Chief Chamberlain Lu Dao-long on the ranging measurements and sizes of wheels and gears, along with a concluding description at the end of how the device ultimately functions:
The vehicle should have a single pole and two wheels. On the body are two storeys, each containing a carved wooden figure holding a drumstick. The road-wheels are each 6 ft in diameter, and 18 ft in circumference, one evolution covering 3 paces. According to ancient standards the pace was equal to 6 ft and 300 paces to a li; but now the li is reckoned as 360 paces of 5 ft each.
the measurement of the Chinese-mile unit, the li, was changed over time, as the li in Song times differed from the length of a li in Han times.
The vehicle wheel (li lun) is attached to the left road-wheel; it has a diameter of 1.38 ft with a circumference of 4.14 ft, and has 18 cogs (chhih) 2.3 inches apart. There is also a lower horizontal wheel (hsia phing lun), of diameter 4.14 ft and circumference 12.42 ft, with 54 cogs, the same distance apart as those on the vertical wheel (2.3 inches). (This engages with the former.)
Upon a vertical shaft turning with this wheel, there is fixed a bronze "turning-like-the-wind wheel" (hsuan feng lun) which has (only) 3 cogs, the distance between these being 1.2 inches. (This turns the following one.) In the middle is a horizontal wheel, 4 ft in diameter, and 12 ft circumference, with 100 cogs, the distance between these cogs being the same as on the "turning-like-the-wind wheel" (1.2 inches).Needham, Volume 4, 284.
Next, there is fixed (on the same shaft) a small horizontal wheel (hsiao phing lun) 3.3 inches in diameter and 1 ft in circumference, having 10 cogs 1.5 inches apart. (Engaging with this) there is an upper horizontal wheel (shang phing lun) having a diameter of 3.3 ft and a circumference of 10 ft, with 100 cogs, the same distance apart as those of the small horizontal wheel (1.5 inches).
When the middle horizontal wheel has made 1 revolution, the carriage will have gone 1 li and the wooden figure in the lower story will strike the drum. When the upper horizontal wheel has made 1 revolution, the carriage will have gone 10 li and the figure in the upper storey will strike the bell. The number of wheels used, great and small, is 8 inches in all, with a total of 285 teeth. Thus the motion is transmitted as if by the links of a chain, the "dog-teeth" mutually engaging with each other, so that by due revolution everything comes back to its original starting point (ti hsiang kou so, chhuan ya hsiang chih, chou erh fu shih).
Modern History
In modern times, Andre Sleeswyk was able to make a working model of an odometer using gears similar to the Antikythera mechanism as opposed to the traditional cogwheel.
The odometer as used in modern systems, where a separate gear controls each digit, was invented by
William Clayton (Mormon Pioneer) with help from Orson Pratt. Clayton, a
Mormon Pioneer, developed the odometer (dubbed the "roadometer") to keep track of wheel revolutions on the pioneer wagons. The odometer had at least two gears, including one which turned every quarter-mile and one which turned every ten miles.
Law
The resale value of a vehicle is often strongly influenced by the number of miles or kilometres a passenger vehicle has on the odometer, yet odometers are inherently insecure because they are under the control of their owners. Many jurisdictions have chosen to enact laws which penalize people who are found to commit
odometer fraud. In the US (and many other countries), vehicle maintenance workers are also required to keep records of the odometer any time a vehicle is serviced. Companies such as
Carfax (company) then use this data to help potential car buyers detect whether odometer rollback has occurred.
Sport
Odometers feature in some sports, both
amateur and Professional sports. Odometers designed for
cycling help cyclists to determine distance cycled and often other information. (See
cyclocomputer) Professional Rallying cars are usually equipped with a purpose-built odometer with an adjustable factor. This factor determines the number of wheel rotations in, say, one Kilometer or one
mile. Amateur rally cars are often also equipped with purpose-built adjustable odometers for
regularity rallying.
See also
References
- Sleeswyk, André Wegener "Vitruvius' Odometer", Scientific American 245.4 (October, 1981), pp. 188-200
- Sleeswyk, Andre W. "Vitruvius' Waywiser", Archives internationales d'histoire des sciences Vol. 29 (1979), pp. 11-22.
- Donald W. Engels: Alexander the Great and the Logistics of the Macedonian Army, Los Angeles 1978, p.157f.
- Needham, Joseph (1986). Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 2, Mechanical Engineering. Taipei: Caves Books, Ltd.
Notes
External links
- Vitruvius' description
- Vitruvius' description - Project Gutenberg
- History of the Odometer
- Odometry in Determination of the Position of an Autonomous Mobile Vehicle
- DLand Pro A digital odometer's manufacturer
- Relojería LEO A digital odometer's manufacturer
- "How Odometers Work" by Karim Nice
An
odometer (often known colloquially as a
mileometer or
milometer) is a device used for indicating distance traveled by an automobile or other vehicle. It may be electronics or
Machine. The word derives from the Ancient Greek words
hodós, meaning 'path' or 'way', and
métron, 'measure' (an older name for this device is
hodometer).
Synopsis
Mechanical odometers usually appear as a row of wheels with an edge of each wheel exposed to the driver. There are digits written on the edges of these wheels. A mask obscures these wheels from view, except for one row of digits which can be seen through a window in the mask.
On older cars, odometers could only indicate up to a value of 99,999. At 100,000, the odometer would restart from zero. This is known as odometer rollover. Newer cars usually have odometers that can indicate up to a value of 999,999.
A common form of fraud is to tamper with the reading on an odometer, this is often referred to as 'clocking'. This is done to make a car appear to have been driven less than it really has been, and thus increase its apparent market value. Many new cars sold today use
digital odometers that store the mileage in the vehicle's engine control module making it difficult (but not impossible) to manipulate the mileage electronically. With mechanical odometers, the speedometer can be removed from the car dash board and the digits wound back, or the drive cable can be disconnected and connected to another odometer/speedometer pair while on the road.
History
.
Western world
Possibly the first evidence for the use of an odometer can be found in the works of
Pliny the Elder (NH 6. 61-62) and Strabo (11.8.9). Both authors list the distances of routes traveled by
Alexander the Great (r. 336-323 BC) as measured by his
bematists Diognetus and Baeton. However, the high precision of the bematists's measurements rather indicates the use of a mechanical device. For example, the section between the cities Hecatompylos and Alexandria Areion, which later became a part of the
silk road, was given by Alexander's bematists as 529
Mile long, that is with a deviation of 0.4% from the actual distance (531 English miles). From the nine surviving bematists' measurements in Pliny's
Natural History (Pliny) eight show a deviation of less than 5% from the actual distance. Three of them even less than 1%. Since these minor discrepancies can be adequately explained by slight changes in the tracks of roads during the last 2300 years, the overall accuracy of the measurements implies that the bematists already must have used a sophisticated device for measuring distances, although there is no direct mentioning of such a device.
An odometer for measuring distance was first described by Vitruvius around 27 and 23 BC. The actual invention
may have been by
Archimedes of Syracuse during the
First Punic War.
Hero of Alexandria describes a similar device in chapter 34 of his
Dioptra. The machine was also used in the time of Roman Emperor Commodus (c. 192 AD), although after this point in time there seems to be a gap between its use in Roman times and that of the 15th century in Western Europe.Needham, Volume 4, 285.
The odometer of Vitruvius was based on chariot wheels of 4 feet (1.2 m) diameter turning 400 times in one Roman
mile (about 1400 m). For each revolution a pin on the axle engaged a 400 tooth cogwheel thus turning it one complete revolution per mile. This engaged another gear with holes along the circumference, where pebbles (
calculus) were located, that were to drop one by one into a box. The distance travelled would thus be given simply by counting the number of pebbles. Whether this instrument was ever built at the time is disputed. Leonardo da Vinci tried to build it according to the description but failed. Later,
Ben Franklin invented his own version. Benjamin Franklin invented a simple odometer when he was going on trips in carriages. He wanted to know how far he was going, and the speed he was travelling.
China
The device was also later invented in ancient China, possibly by the profuse inventor and early scientist
Zhang Heng (78–139 AD) of the Han Dynasty (202 BC BC–
220 AD). Zhang Heng is often accredited with the invention of the first odometer device in China, an achievement alongside earlier contemporaries Archimedes and Heron of Alexandria from the Hellenized West. By the 3rd century (during the
Three Kingdoms Period), the Chinese had termed the device as the 'jì lĭ gŭ chē' (記里鼓車) , or '
li (unit)-recording drum carriage' (Note: the modern measurement of li = 500 m/1640 ft).Needham, Volume 4, 281. Chinese texts of the 3rd century tell of the mechanical carriage's functions, and as one li is traversed, a mechanical-driven wooden figure strikes a drum, and when ten li is traversed, another wooden figure would strike a gong or a bell with its mechanical-operated arm.
Despite its association with Zhang Heng or even the later
Ma Jun, there is evidence to suggest that the invention of the odometer was a gradual process in Han Dynasty China that centered around the
huang men court people (ie. eunuchs, palace officials, attendants and familiars, actors, acrobats, etc.) that would follow the musical procession of the royal 'drum-chariot'.Needham, Volume 4, 283. The historian Joseph Needham asserts that it is no surprise this social group would have been responsible for such a device, since there is already other evidence of their craftsmenship with mechanical toys and such to delight the emperor and the court. There is speculation that some time in the 1st century BC (during the Western Han Dynasty), the beating of drums and gongs were mechanically-driven by working automatically off the rotation of the road-wheels. This might have actually been the design of one Loxia Hong (c. 110 BC), yet by 125 AD the mechanical odometer carriage in China was already known (depicted in a mural of the Xiao Tang Shan Tomb).
The odomoter was used also in subsequent periods of Chinese history. In the historical text of the
Jin Shu (635 AD), the oldest part of the compiled text, the book known as the
Cui Bao (c. 300 AD), recorded the use of the odometer, providing description (and interestingly enough attributing it to the Western Han era, from
202 BC BC–
9 AD).Needham, Volume 4, 282. The passage in the
Jin Shu expanded upon this, explaining that it took a similar form to the mechanical device of the
South Pointing Chariot invented by
Ma Jun (200–
265, see also
differential gear). As recorded in the
Song Shi of the
Song Dynasty (960-
1279 AD), the odometer and South Pointing Chariot were combined into one wheeled device by engineers of the 9th century, 11th century, and 12th century (refer to South Pointing Chariot). The
Sun Tzu Suan Ching (Master Sun's Mathematical Manual), dated from the 3rd century to 5th century, presented a mathematical problem for students involving the odometer. It involved a given distance between two cities, the small distance needed for one rotation of the carriage's wheel, and the posed question of how many rotations the wheels would have in all if the carriage was to travel between point A and B.
In full description
The historical text of the
Song Shi (1345 AD), recording the people and events of the Chinese Song Dynasty (960–
1279), also mentioned the odometer used in that period. However, unlike written sources of earlier periods, it provided a much more thoroughly detailed description of the device that harkens back to its ancient form (
Wade-Giles spelling):
The odometer. mile-measuring carriage is painted red, with pictures of flowers and birds on the four sides, and constructed in two storeys, handsomely adorned with carvings. At the completion of every li, the wooden figure of a man in the lower storey strikes a drum; at the completion of every ten li, the wooden figure in the upper storey strikes a bell. The carriage-pole ends in a phoenix-head, and the carriage is drawn by four horses. The escort was formerly of 18 men, but in the 4th year of the Yung-Hsi reign-period (987 AD) the emperor Thai Tsung increased it to 30. In the 5th year of the Thien-Sheng reign-period (1027 AD) the Chief Chamberlain Lu Tao-lung presented specifications for the construction of odometers as follows:
What follows is a long dissertation made by the Chief Chamberlain Lu Dao-long on the ranging measurements and sizes of wheels and gears, along with a concluding description at the end of how the device ultimately functions:
The vehicle should have a single pole and two wheels. On the body are two storeys, each containing a carved wooden figure holding a drumstick. The road-wheels are each 6 ft in diameter, and 18 ft in circumference, one evolution covering 3 paces. According to ancient standards the pace was equal to 6 ft and 300 paces to a li; but now the li is reckoned as 360 paces of 5 ft each.
the measurement of the Chinese-mile unit, the li, was changed over time, as the li in Song times differed from the length of a li in Han times.
The vehicle wheel (li lun) is attached to the left road-wheel; it has a diameter of 1.38 ft with a circumference of 4.14 ft, and has 18 cogs (chhih) 2.3 inches apart. There is also a lower horizontal wheel (hsia phing lun), of diameter 4.14 ft and circumference 12.42 ft, with 54 cogs, the same distance apart as those on the vertical wheel (2.3 inches). (This engages with the former.)
Upon a vertical shaft turning with this wheel, there is fixed a bronze "turning-like-the-wind wheel" (hsuan feng lun) which has (only) 3 cogs, the distance between these being 1.2 inches. (This turns the following one.) In the middle is a horizontal wheel, 4 ft in diameter, and 12 ft circumference, with 100 cogs, the distance between these cogs being the same as on the "turning-like-the-wind wheel" (1.2 inches).Needham, Volume 4, 284.
Next, there is fixed (on the same shaft) a small horizontal wheel (hsiao phing lun) 3.3 inches in diameter and 1 ft in circumference, having 10 cogs 1.5 inches apart. (Engaging with this) there is an upper horizontal wheel (shang phing lun) having a diameter of 3.3 ft and a circumference of 10 ft, with 100 cogs, the same distance apart as those of the small horizontal wheel (1.5 inches).
When the middle horizontal wheel has made 1 revolution, the carriage will have gone 1 li and the wooden figure in the lower story will strike the drum. When the upper horizontal wheel has made 1 revolution, the carriage will have gone 10 li and the figure in the upper storey will strike the bell. The number of wheels used, great and small, is 8 inches in all, with a total of 285 teeth. Thus the motion is transmitted as if by the links of a chain, the "dog-teeth" mutually engaging with each other, so that by due revolution everything comes back to its original starting point (ti hsiang kou so, chhuan ya hsiang chih, chou erh fu shih).
Modern History
In modern times, Andre Sleeswyk was able to make a working model of an odometer using gears similar to the
Antikythera mechanism as opposed to the traditional cogwheel.
The odometer as used in modern systems, where a separate gear controls each digit, was invented by William Clayton (Mormon Pioneer) with help from
Orson Pratt. Clayton, a Mormon Pioneer, developed the odometer (dubbed the "roadometer") to keep track of wheel revolutions on the pioneer wagons. The odometer had at least two gears, including one which turned every quarter-mile and one which turned every ten miles.
Law
The resale value of a vehicle is often strongly influenced by the number of miles or kilometres a passenger vehicle has on the odometer, yet odometers are inherently insecure because they are under the control of their owners. Many jurisdictions have chosen to enact laws which penalize people who are found to commit odometer fraud. In the US (and many other countries), vehicle maintenance workers are also required to keep records of the odometer any time a vehicle is serviced. Companies such as Carfax (company) then use this data to help potential car buyers detect whether odometer rollback has occurred.
Sport
Odometers feature in some sports, both amateur and
Professional sports. Odometers designed for
cycling help cyclists to determine distance cycled and often other information. (See
cyclocomputer) Professional Rallying cars are usually equipped with a purpose-built odometer with an adjustable factor. This factor determines the number of wheel rotations in, say, one Kilometer or one
mile. Amateur rally cars are often also equipped with purpose-built adjustable odometers for
regularity rallying.
See also
References
- Sleeswyk, André Wegener "Vitruvius' Odometer", Scientific American 245.4 (October, 1981), pp. 188-200
- Sleeswyk, Andre W. "Vitruvius' Waywiser", Archives internationales d'histoire des sciences Vol. 29 (1979), pp. 11-22.
- Donald W. Engels: Alexander the Great and the Logistics of the Macedonian Army, Los Angeles 1978, p.157f.
- Needham, Joseph (1986). Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 2, Mechanical Engineering. Taipei: Caves Books, Ltd.
Notes
External links
- Vitruvius' description
- Vitruvius' description - Project Gutenberg
- History of the Odometer
- Odometry in Determination of the Position of an Autonomous Mobile Vehicle
- DLand Pro A digital odometer's manufacturer
- Relojería LEO A digital odometer's manufacturer
- "How Odometers Work" by Karim Nice
Odometer - Wikipedia, the free encyclopedia
An odometer (often known colloquially as a mileometer or milometer) is a device used for indicating distance traveled by an automobile or other vehicle.
AskOxford: odometer
odometer /o domm it r/ • noun chiefly N. Amer. an instrument for measuring the distance travelled by a wheeled vehicle. — ORIGIN French odomètre, from Greek hodos ‘way’.
Odometer - Wikimedia Commons
This page was last modified on 30 December 2007, at 01:53. Text is available under GNU Free Documentation License. Wikimedia® is a registered trademark of the Wikimedia Foundation ...
Copart Odometer Codes
Copart expressly disclaims the accuracy of odometer readings and odometer codes. Such information may not be used or relied upon for bidding purposes or for any other reason.
odometer definition of odometer in the Free Online Encyclopedia.
odometer (ōdŏm`ĭtər), instrument provided in an automotive vehicle to indicate the total number of miles that have been traveled. The odometer generally shares a housing with ...
The History of the Odometer
The history of the odometer the device that records the distance that a vehicle travels. ... By Mary Bellis. An odometer records the distance that a vehicle travels. A speedometer ...
Odometer Correction with the DIGA-Consult programmer
Index - Odometer Correction with the Digital Mileage Programmer DIGA-Consult ... Odometer-Correction.com Odometer Correction with the DIGA-Consult programmer:
Search Results | Explore | Physics.org
... and computerized odometers are explained, though apart from some detail on the mechanical drives, the treatment is a little superficial. Keywords: back, distance, mileage, odometer, ...
odometer - Definition at Your Dictionary
noun. an instrument for measuring the distance traveled by a vehicle. Etymology: Fr odomètre < Gr hodometros < hodos, way (see -ode) + metron, measure
HowStuffWorks "How Odometers Work"
Nice, Karim. "How Odometers Work." 17 January 2001. HowStuffWorks.com. 02 October 2008.