MI;. .1. Mm; ON TIN-; i;i.co\ i:i;v (IF H;MN n;nM < )Yi:i>Ti;.\iN in 



fi. The experiments illustrated hy this diagram were carried out in the Cambridge 

 Engineering Laboratory, hence the loading is performed in tons (not in jtnundsi p. r 



sjuaieinch. The material iisnl is very similar to that employed to ohtain hi: 



No. III., so that the rate of ivroveiy j'lom ovei'stiain is much quicker than with the 



material of I li.i-i.uii \'. 



Diagram No. VI. 

 tona/mt 



40 



\ 

 \. 



A 



7 



Load 



far/7 



//* 



t 



! 





j 



Aoi r&i, iifiA. 



f 



r 



Extvt&ons- diminished tta explained on page ie. 

 Scale : - 1 unit -tsfoofdn inch. 9 I 



Curves 4, 5 Rnd 6 are displaced to the right they should be continuotw with one 

 another and with Curves 2 and 3. 



Curve No. 1 of Diagram VI. shows the primary elastic properties of the sti-el r<\ 

 considered. AHer this tirst test, the specimen \vas largely overstrained and allowed 

 to ivco\er. (>n (estini;. it uas then found t<> Ljive a yield-jn.int at ulx>ut 40 toii- 



D 2 



