28 Book of Steamships 



astonished the spectators when it attained 

 a speed of five miles an hour. 



Patrick Miller was so satisfied that 

 steam was the reliable propelling force 

 for boats that he went a step farther. 

 He purchased a canal boat for use on 

 the Forth and Clyde Canal, and Syming- 

 ton designed a much more powerful 

 engine than had been employed in the 

 dual-hulled steamer. The new machine 

 developed 12 horse-power. This engine 

 was built by a firm which is still in 

 existence and still very well known the 

 Carron Iron Company. 



Profiting by the experiments already 

 made, the paddle-wheel was placed at 

 the stern and a connection made to the 

 engine by means of a rod and crank. 

 The speed obtained approached seven 

 miles an hour, and at this speed quite a 

 respectable load was taken. 



There are many canal boats nowadays 

 which are steam-driven, but we may 

 notice in passing that the speed remains 



