92 



REPORT — 1853. 



Table III.— Third Melting. 



No change was observable in the crystallization of these bars, excepting 

 only in the colour, which is a dull grey, with less lustre than the first and 

 second meltings ; in other respects the constituents of the iron appear to be 

 the same. 



Results reduced to those of bars 1*00 in. square. 



Specific 

 gravity. 



Breaking 



weight 



(*)• 



Ultimate 

 deflection 



(rf). 



Product b X 



d, or power 



of resisting 



impact. 



Experiment 1, bar 4 ft. 6 in. between 

 supports 



Experiment 2, bar 4 ft. 6 in. between 

 supports 



Experiment 3, bar 4 ft. 6 in. between 

 supports 



Mean 



6-886 



396 

 396 

 412-9 



6-886 



401-6 



r42 

 1-43 

 1-61 



1^486 



562^3 

 566-2 

 664-7 



596-7 



