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The great curiofity at Worjley is the 

 tunnel, which is a fubterraneous canal 

 hewn out of the rock to a great length 

 (near a mile,) and extends into the heart of 

 the coal mines. The view, Plate VII. 

 exhibits the mouth of it, and hk^wife the 

 quarry works around it. 



A. The navigation. 



B. The mouth of the tunnel, with lajge 

 doors to open and fhut. 



C. The quarry. 



D. A crane of a very curious conflruc- 

 tlon, for heaving the ftones out of 

 the quarry into the barges. 



E. Ropes that keep the crane in its per- 

 pendicular poiition. 



The water in the tunnel is upon the le- 

 vel of that in the canal, being the fame, 

 fo that the boats loaded with coals come 

 out of the very mine itfelf. 



The firfl: entrance, for looo yards, is 

 fix feet and an half wide, and feven feet 

 ' and an half high, including the water, 

 "which is three feet four inches deep ; it is 

 already continued 750 yards further, ten 

 feet wide, and it is faid (how true I know 

 not) that it will be carried on at leaft a 

 mile and a half further. I took fome time 



Vol. III. T to 



