560 



Mr. H. T. Jessop on Cornus Method of 



Table I (6). — Glass la. 

 Measurement o£ Fringes along Longitudinal Axis. 



(1) 



8 Minutes after Loading. 







No. of 

 Fringe. 



Position of Fringes. 



Distance apart 

 of Fringes, 



A„2. 



A 2 _ A 2 



Eight. Left. 



5 



1 



L424 



1-993 



•569 



•324 



•326 



2 



1-300 



2-116 



•816 



•666 



•328 



3 



1-214 



2-207 



•993 



•986 



•331 



4 



1-137 



2-284 



1-147 



1-316 



•334 



5 



1072 



1012 



2351 



2-411 



1279 

 1-399 



1-635 

 1-956 



•332 ' 



6 





7 



•955 



2-474 



1-519 



2 308 



Mean 



8 



•905 



2 530 



1-625 



2641 



Value 



9 



•853 



2581 



1-728 



2-986 



■330 



10 



•808 



2 623 



1815 



3295 





(2)] 



.00 Minutes after Loading. 







1 



1-090 



L703 



•613 



•476 



•322 



2 



•977 



1-816 



•839 



•704 



•324 



3 



•893 



1-897 



1-004 



1-008 



•329 



4 



•819 



1-975 



1-156 



1-336 



•327 



5 



•755 

 •697 



2-043 

 2107 



1-288 

 1-410 



1-658 

 1-988 



•330 



6 





7 



•639 



2164 



1-525 



2-326 



Mean 



8 



•587 



2216 



1-629 



2654 



Value 



9 



•541 



2265 



1-724 



2-972 



•326 



10 



•496 



2314 



1-818 



3306 





