He followed this with a road going steam carriage in 1801.
In 1828 he made a complete steam carriage that was capable of running a mile carrying 8 passengers.
In 1833, the two had constructed their own steam carriage.
In 1863 he built a steam carriage, one of the earliest automobiles.
Roper was observed driving his steam carriage around Boston in 1863.
A steam carriage with condensing system was in the planning stages.
And once you did start, the steam carriage was likely to lumber along like a laden ox.
In 1906, they produced a steam carriage that broke the world record for speed.
This story may be accurate, however is more likely to relate to a model than to a full-size steam carriage.
Dudgeon ran the steam carriage many hundreds of miles and once covered a mile in under two minutes.