228 Steam E?ig'mes in Cornwall.-r-Pasco Silver Mines. 



broken to pieces, was drawn up out of the pit, and disposed of in 

 the usual way. 



'* In testimony of these facts we have certified the same upon 

 oath before the Rev. Dr. Booker, a magistrate, this 5th day of 

 March 1817. Witness our hands, 



(Signed) William Mills. 

 Tile X mark of John Fisher. 

 In the presence of William Summers." 



*^* Properly authenticated eases of similar discoveries will 

 always be recorded with pleasure in our pages; and those who 

 are alive to the interest excited l)v such communications are re- 

 quested to commuuicate them as often as they may come to their 

 knowledge. 



STEAM engines IN CORNWALL. 



By Messrs. Lean's monthly report of work done by engines in 

 Cornwall, it appears that in February the average of 25 engines 

 was 22,576,0)3 pounds of water lifted one foot high with each 

 bushel of coals couMmied. 



Woolf's engine at Wheal Abraham loaded 14"9 per square 

 inch in the engine cylinder, lifted, during the same month, 

 43,0^7.8." 7 pounds with each bushel; and his other engine at 

 the same mine, loaded 3-1 per inch, lifted 21,274,931 pounds. 

 His engine at Wheal Vor, loaded 15-3, lifted 37,35 1,537 pounds; 

 his en.nine at Wheal Unity, loaded (rl, lifted 24,526,309 ; and 

 one of his at Tadpole mine, loaded 11*5 pounds per inch, lifted 

 26,0S1,()5() pounds per bushel of coals. 



The Wheal Chance engine, loaded 11*2 pounds per inch, is 

 reported to have lifted 46,961,355 pounds one foot high with 

 each bushel in February. 



PASCO SILVER MINES. 



Extract from the Lima Gazette of Sept. 25, 1S16. 

 " We have the satisfaction of communicating to the public the 

 information, that the com[)anv for draining the mines of PascQ 

 have just received accounts from tiicir agents in that mineral 

 territory, and they promise for our next gazette a description of 

 the state of the works for fixing the remaining three engines." 

 — Editor. 



" rViio, '^ept.20, 1816. 

 " After having observed the progress of the machine at the 

 Santa Rosa mine, last Saturday, the 14th instput, at ten o'clock 

 at night, we found it began to act : at eleven the pitmen went 

 down to clear the shaft, and have not since ceased working an 

 instant. The clearing of the mud and rubbish which had re- 

 mained 



