642 THE STRENGTH 



^*'«''^- parts of an inch. 



Remarks. 



4 tons 10 cwt. - - - 0.21 

 6 „ .278 



10 „ ------.48- A little warped. 



II A 4- f^ory ( '^^ ***? ^'^8^ of bean 



1 „ 4 CWl. - - ,0o / - ■) pressed considerably out 



(.of pei-pendicular. 



Ifv -m f^ /!/2ef The pressure outward 



iZ yy 1\) ff --- ,DDO - < much iiicroased, and dan- 



(ger of breaking. 



The experiments on this beam were not 

 performed with the same accuracy as those 

 made at Leeds and Bradford following; they 

 were nevertheless tested with considerable care. 



81. Experiments made at Leeds in the month 

 of November, 1824. 

 2nd. Beam. — Distance between supports, 16 feet. 



Depth of beam in middle, 15 inches. 



Depth of beam near ends, 10 



» 



Dimensions of section in inches, (see last experiment.) 



Thickness at A = i, 



DE = If, 

 FE = 6. 



weights. paKj'i^^rLl 



6 tons - 0.2 



8 „ 5 cwt. ,28 



11 „ .4 



13 „ 6 cwt. .476 



16 „ .65 



