32 MR THOMAS STEVENSON ON THE FORCE OF THE WAVES, &c. 



Register of 01>sen>ati<.is on the force of iM Sea, made at the Bell Rock, German Ocean. 



Dates. 



lbs. to a 

 ISquareFoot.l 



1844. 

 Sept. 15 

 ... 20 

 Oct. 



9 



... 26 



... 27 



Nov. 12 



... 13 



13 



26 



Dec. 



853 

 2260 

 3013 

 2562 

 1142 



958 

 1680 

 1920 

 1560 

 1439 



Dates. 



lbs. to a 

 .-square Foot 



1845. 

 Jan. 



Feb. 



March 



