2G2 



TxsECT architecturp:. 



tliroiigli all the winding passages leading tlirongli tlie 

 inner chambers and apartments. Mr. Smeathman foimd 

 one of these bridges, half an inch broad, a quarter of an 

 inch thick, and ten inches long, making the side of an 

 elliptic arch of proportionable size ; so that it is wonderful 

 it did not fall over or break by its own weight before the}^ 

 got it joined to the side of the colnnni above. 



£5 



ri 2 





It was strengthened by a small arch at the bottom, and 

 had a hollow or groove all the length of the npper smface, 



