The Oldsmobile Curved Dash Runabout, released in 1901, was the first automobile line equipped with a mechanical speedometer.
Usually within 2 mph
Look at your speedometer! automobile is right 40 mph is 40 mph regardless of wind.
In terms of physics its Instantaneous speed
It reads instantaneous speed, and tells you nothing about average speed.
Odos measure the distance travelled and speedos measure speed at that movement
The first Automobile was built in USA. Henry Ford built the first automobile.
Henry Ford invented the first automobile.
When was the first automobile sold in the U.S.?
The first automobile in India was the TATA Ambassador.
The first country to make an automobile is Europe
The first practical automobile was invented by Karl Benz in Germany 1885.
The first practical automobile was built in Mannheim, Germany in 1885 by Karl Benz.