SOME MIXTURES OF CAST IRON AND NICKEL, 107 
TABLE I. Breaking weights and deflections of bars of cast iron 
and of alloys of nickel and cast iron, when subjected to a 
transverse strain. 
Experiment IV. Experiment V. 
Blaenarvon Iron, | Pontypool Iron 
No. 3. with pure Nickel. 
Experiment III. 
Blaenarvon Iron 
No. 3, with Nickel. 
Experiment I. Experiment II. 
Cast Iron No.1, | Pure Cast Iron, 
with Nickel. No.1. 
Section of bar Section of bar Section of bar Section of bar Section of bar 
in inches, in inches, in inches, in inches, in inches, 
1x1. 1x1. 1x1. 1.02 x 1.07. 1x1. 
Weight ; Deflec- | Weight Deflec- | Weight | Deflec- 
laid on | tion in | laid on | tion in | laid on | tion in 
in lbs. | inches. | in lbs. | inches. in lbs. } inches. 
147 | 0:05 147 | 0:05 
259 |O1 259 | 01 
815 | 0-14 
871 | 016 
Weight | Detiec- Weight, Defiec- 
laid on | tion in | laid on | tionin 
inches. | inlbs. | inches. 
in lbs. 
147 |0125 | 147 | 01 
259 |0175 | 259 | 07155 
315 | 0°19 
371 | 0°25 371 | 0-2 
371 |0115 | 371 | 0225 
427 |0°275 427 |6:18 427 427 |0'237 
483 | 0°34 483 | 0225 | 483 | 0-2 483 |0°2 483 | 0:25 
539 |0°375 | 539 | 0:25 539 |0:237 | 539 |0'237 | 539 | 0262 
567 | 0:25 567 | 0:25 
595 | O41 595 | 0°31 595 |0:255 | 595 | 0:262 
609 | 0325 
623 |0'425 | 623 | 0:33 623 |0:277 | 623 | 0:275 
637 637 | 0°35 
Broke with 651 | 0°36 651 |0:285 | 651 |0°3 651 | 0°35 
679 |0°325 | 679 | 0312 
707 |0°337 | ‘707 | 0°325 
679 | 0:29 
this weight. | 679 | 0365 
707 | 03 
707 | 0:367 
721 |0°375 
735 | 0-4 749 | 0°325 749 | 0362 
763 | 0°41 763 | 0°34 763 | 0°35 
777 | 0-425 791 | 0-425 777 | 0375 791 
791 | 0-44 
819 | 0-46 833 | 0°45 819 | 0-4 798 
847 | 0°46 847 |0'42 | Broke with 
861 861 this weight. 
Broke with 875 875 | 0437 
this weight. | Broke with | 917 0°45 
this weight. | 959 |0°5 
1043 | 0°525 
1099 | 0°575 
1155 | 0°675 
With this 
weight it re- 
mained twenty 
minutes. 
1267 | 0°75 
Broke after 
some seconds. 
Ultimate de- | Ultimate de- 
flection 0°75” |flection 0°366” 
Ultimate de- 
flection 0°58” 
Ultimate de- | Ultimate de- 
flection 0°434’| flection 0°47” 
