THE GROWTH OF THE STEAM-ENGINE. 



271 



introduction of steam-carriages on the common highway had become 



a favorite idea with engineers. 1 





Fig. 35. The West Point, 1831. 



In December, 1833, about twenty steam-carriages and traction 

 road-engines were running or were in course of construction in and 

 near London. 



Fig. 36. The South Carolina, 1831. 



In our own country, the roughness of roads discouraged inventors, 

 and, in Great Britain even, the successful introduction of road-loco- 

 motives, which seemed at one time almost an accomplished fact, finally 



1 "Road-Locomotives and Traction-Engines," Journal of the Franklin Institute, 1871. 



