ClipArt ETC
The Edinburgh tricycle from 1875.

Edinburgh Tricycle

The Edinburgh tricycle from 1875.

An illustration of Butler's motor tricycle. The tricycle operated by a throttle valve lever and a foot controlled lever to lower or raising the rear driving wheel. The vehicle was not fitted with a braking system, and operated at 3 to 10 mph.

Butler's Gas Operated Motor Tricycle

An illustration of Butler's motor tricycle. The tricycle operated by a throttle valve lever and a foot…