A TOUR ROUND NORTH WALES. 2C5 



It has been attempted, and I think 

 \vith fome degree of fuccefs, to prove, that 

 by the application of the lever and inclined 

 plane alone, without any other powers 

 whatever, it is poffible to raife and erect 

 fome of the largefl ftone monuments we 

 have in this ifland. In order to do this, 



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we may imagine that they^chofe places 

 where they -found, or made where fuch 

 were not ready to their hands, fmall mounts 

 of firm and folid earth for an inclined plane, 

 flatted and levelled at the top. Up the 

 Hoping fides of thefe they might, with 

 great wooden levers upon fixed fulcrums, 

 and with balances at the ends of them to 

 receive into them proportionable weights, 

 and with hands fufficient to guide and ma- 

 nage the engine, by little and little, heave 

 and roll up to the top the ftones they in- 

 tended to ereft. Laying thefe down there, 

 they might dig holes in that earth at the 

 end of every flone intended for a column 



or 



