142 



TENSION Tt:vriN<.. 



Elastic limit : 13-00 tons. 16 '50 tons per square inch. 

 Maximum load : 21 '90 tons. 27*80 tons per square inch. 

 Extension per cent: On 10 in. = 30"6 ; on 2 in. = oo. 

 Reduction of area per cent : 5 6 "5. 

 Modulus of elasticity: 28,800,000 Ib. per square inch. 

 12'880 tons per square inch. 



On this form are all the recorded facts taken note of 

 during the test, and also the results which were calculated 

 from the data so obtained. 



