REFORM MONUMENT. 



393 



more pleasant would be Trevithick's proposed floating 

 1000 feet upward on an air-cushion, controlled by his 





GENKRAL VIEW OF RKFORM COLUMN. 



high-pressure steam-engine, and having, Irom the loftiest 

 pedestal of human art, surveyed imperial London, to be 

 again lowered to the every-day level at a safe speed, 

 regulated by valves closed by such simple acts as rising 

 from the seat; but should this be neglected, the passage 



