230 



MR J. C. BEATTIE ON THE 



Plate VI. 

 Rapidly cooled ; made from first supply of bismuth. 



Length, ..... 



Breadth, ..... 



Thickness, ..... 



5-81 



2-9935 



0-14105 



cm. 



Field. 



Trans. Current. 



Trans. Current 

 Shunted. 



Trans. Current. 



Trans. Current 



Shunted. 



Calculated. 



48-4 



87-2 



118-0 



-0-0185 

 + 0-05646 

 + 0-11916 



- 0-0075 

 + 0-02206 

 + 0-0461 



2-4666 

 2-5628 

 2-5845 



2-4671 

 2-5621 



2-558 



Plate VII. 



Slowly cooled ; made from first supply of bismuth. 



Length, ..... 

 Breadth, ..... 

 Thickness, ..... 



6-032 

 1-507 

 0-06713 



Field. 



Trans. Current. 



Trans. Current 

 Shunted. 



Trans. Current. 



Trans. Current 



Shunted. 



1+5 



Calculated. 



17-8 

 121-6 

 140-0 



147-8 



-0-2536 

 + 0-1852 

 + 0-22024 

 + 0-2484 



- 0-00883 

 + 0-06045 

 + 0-07243 

 + 0-08184 



2-872 

 3-0637 

 3-0407 

 3-0352 



2-8979 

 3-0667 

 3-0805 

 3-0543 



Plate VIII. 



Quickly cooled ; made from new supply of bismuth. 



Length, . 



Breadth, .... 



Thickness, .... 



5-99 

 3-03 

 0-3153 



cm. 



Field. 



Trans. Current. 



Trans. Current 

 Shunted. 



Trans. Current. 



Trans. Current 



Shunted. 



1+2 



Calculated. 



41-4 



80-2 



100-0 



123-3 



-009817 

 -0-108 

 -009986 

 - 009026 



-0-0651 

 -006846 

 -0-06144 

 -0-05554 



1-5077 

 1-5775 

 1-6253 

 1-6251 



1-5016 

 1-5799 

 16251 

 1-6475 



It will be seen from a comparison of the last two columns in the different results that 



