494 



PROFESSOR KNOTT ON SOME RELATIONS BETWEEN 



Table III. — For Nickel Wire, 0'94 mm. in diameter. 



Tension Kg.-Wt. 

 pel Sq. Cm. 



Line Current 

 in Amperes. 



Longitudinal 



Field Electrom. 



Units, C.G.S. 



Twist ± H in 



Thousandths of 



Radians. 



Twist ± C in 



Thousandths of 



Radians. 



Experiment 

 N umber. 



T 



c 



H 



ht 



Ct 



No. 







3-42 



1431 



23-52 



18-28 



(1) 







104-6 



26-60 



19-79 









80-1 



27-99 



20-22 









611 



28-26 



20-12 









39 4 



26-23 



18-98 









25-6 



15-53 



14-35 









9-6 



1010 



12-13 









5-2 



1-66 



6-00 









144-2 



23-49 



18-38 









1959 



20-20 



16-13 









272-4 



17-06 



13-70 









5-64 



262-5 



24-63 



22-77 



(2) 







202-0 



27-66 



25-65 









147-5 



31-67 



29-50 









96-9 



35-36 



32-66 









74-9 



36-43 



33-12 









49-5 



34-80 



32-91 









26-7 



28-07 



27-68 









10-6 



14-28 



19 06 









5-3 



607 



13-66 









2-8 



2-36 



7-72 









10 



0-79 



5-59 









8-20 



231-1 



29-50 



28-67 



(3) 







159-6 



34-40 



34-16 









81-2 



40-26 



39-74 









62-7 



39-30 



39-70 









30-3 



32-19 



33-10 









10-3 



15-57 



20-33 









3-7 



4-28 



11-18 





654 



5-76 



283-5 



32-30 



31-23 



W 







210-2 



37-10 



3630 









101-5 



4310 



42-00 









68-5 



38-90 



37-20 









28-1 



20-80 



21-00 









7-3 



5-20 



6-30 





1112 



6-08 



214-7 



36-1 



30-7 



(5) 







164-1 



37-5 



31-3 









121-4 



35-4 



29-1 









97-0 



31-7 



26-0 









509 



19-1 



17 









19-8 



4-7 



5-2 









7-2 



2-5 



2-9 





1112 



324 



192-6 



29-9 



16-7 



(6) 







152-4 



29-3 



15-9 









1156 



261 



14-4 









75-0 



20-7 



11-8 









50-1 



14-5 



9-2 









20-1 



5-2 



4-5 









101 



2-5 



2-5 









3-8 



0-9 



0-8 





