The most often cited inventor of the first speedometer is Josip Belusic. A Croatian college professor and inventor, he developed it in 1888 and called it a velocimeter in his patent.
I think the modern speedometer was invented or perhaps perfected by John O'Brien, an engineer at the Waltham Watch Company in the 19 teens.
The Oldsmobile Curved Dash Runabout, released in 1901, was the first automobile line equipped with a mechanical speedometer.
oldsmobile 1901
If it's an analog speedometer, first check the condition of the speedometer cable. It may need to be replaced.
Broken speedometer cable?
TCM Malfunction, And/Or Speedometer Sensor Malfunction.
Speedometer?
A 1991 dodge dynasty speedometer bouncing could be a sticking speedometer cable, or a bad drive gear. Check the cable first, and lubricate it to see if the problem stops.
Croatian Josip Belušić in 1888, and was originally called a velocimeter. - Not Scott Speedman. god loves everyone.h2o
First remove item from dash then remove speedometer from cluster, and then look for seam where speedometer comes a part and then disassemble from front to back keeping all items in order
If the speedometer doesn't work at all then there could be two causes. The first thing is to check the needle it may be loose on the spindle, secondly there is a relay from the fuse box to the speedometer.
The first train was invented in 1814,and the first car was invented in 1672. So, the car was first invented.