Properties of the Alloys of Iron and Aluminium. 151 



Other data. 



Turns in Primary .... 82 

 Turns in Secondary .... 37 

 Standard Mutual Inductance used = 4*536 X 10°. 



<o-50 



Analysis (by Mr. Dawe). 





Aluminium . . . . 



18'47 per cent 



Combined Carbon . 



1-56 „ 



Graphite .... 



o-io „ 



Silicon 



1-47 ., 



Phosphorus 



0-651 „ 



Manganese . . . , 



0-25 „ 



Chromium . . . 



. 0-00 „ 



Copper 



traces 



Iron (by difference) . 



. 77-50 „ 



I. — Experiments with Rising Temperature. 



H. 



T. 



B. 



H. 



T. 



B. 





6 



13-1 





7-0 



36 



611 



8 

 20 

 37 



12-5 



10-0 



9-1 





8-5 

 195 



3-4 



2-7 





51-5 



8-6 



1-63 



37-5 



25 





43 (Temp, falling) 



90 













51-5 

 43 (Temp, falling) 



24 

 2-4 





65 



7-6 





8-5 

 19-5 

 37-5 



7-3 

 5-8 

 5-4 









3-56 











51-5 



5-2 











43 (Temp, falling) 



5-4 









