Page:Popular Science Monthly Volume 12.djvu/285

Rh introduction of steam-carriages on the common highway had become a favorite idea with engineers.



In December, 1833, about twenty steam-carriages and traction road-engines were running or were in course of construction in and near London.



In our own country, the roughness of roads discouraged inventors, and, in Great Britain even, the successful introduction of road-locomotives, which seemed at one time almost an accomplished fact, finally