Noun
steam carriage (plural steam carriages)
(historical) A steam-powered carriage able to travel on normal roads.
By this time Murdoch had already built a working model of his steam carriage (now in Thinktank, Birmingham Science Museum ) accounts exist from witnesses who "saw the model steam carriage run around Murdoch's living room in Redruth in 1784". Source: Internet
In the same year the first steam carriage, built for 12 people, was commissioned in Portsmouth, and in the following year Isambard Kingdom Brunel was born in the town. Source: Internet
However, it is argued by John Griffiths that Murdoch may have built a full-size steam carriage some time in the 1790s, which could be the source of this story. Source: Internet
This story may be accurate, however, is more likely to relate to a model than to a full-size steam carriage. Source: Internet