What is "roadometer"

n. An odometer.

Roadometer may mean:

• Roadometer (odometer), an early device like an odometer for measuring mileage, towed by a wagon, invented in 1847, by William Clayton, a Mormon pioneer.
• A type of Drivotrainer, one of these was called a Roadometer.

The roadometer was a 19th-century device like an odometer for measuring mileage, towed by a wagon, invented in 1847 by William Clayton and Orson Pratt, Mormon pioneers.