MAGNETISM AND TWIST IN IRON AND NICKEL. 



52{ 





Table VII. - 



— Iron Wires- 



—continued. 





Diameter in 



Current in 



Half-Twist in 



Area 



Range of 



mm. 



Amperes. 



Multiples of jr. 



■7T. 



Intensity. 



0-86 



1-23 



1 



405 



658 





3-10 



J) 



318 



641 





3-02 



J) 



120* 



758* 





015 



2 



206 



259 





0-15 



) J 



20-5* 



270* 





0-33 



J) 



341 



426 





067 



)) 



436 



571 





1-20 



)) 



537 



668 





2-43 



J) 



544 



726 





370 



)) 



533 



728 





3-63 



>) 



303* 



765* 





0-28 



3 



- 366 



362 





>> 



>j 



- 654* 



385* 





0-61 



)> 



- 637 



567 





1-18 



>> 



- 699 



658 





2-54 



J? 



- 925 



732 





3-84 



D 



- 900 



724 





4-27 



5» 



- 779 



720 





419 



H 



- 529 



691 





3-98 



H 



- 410 



680 





395 



H 



- 330 



666 





2-86 



n 



- 306 



657 





2-84 



2^ 



- 311 



644 





2-81 



n 



- 141 



546 





2-79 



i 



+ 353 



438 



0-86 



0-60 



H 



- 80 



527 





1-54 



)? 



- 127 



735 





0-27 



2 



- 101 



308 





0-59 



>> 



- 110 



481 





0-58 



n 



+ 77 



515 





1-37 



)> 



+ 89 



614 





2-26 



jj 



+ 96 



639 





2-22 



J? 



- 155* 



749* 





0-25 



if 



- 37 



281 





0-54 



)J 



- 41 



474 





0-54 



)) 



- 300* 



549* 





0-83 



J) 



- 57 



580 





1-42 



)) 



- 36 



638 





1-40 



H 



+ 42 



624 





1-39 



H 



+ 130 



602 





>> 



l 



+ 228 



565 





>> 



l 



- 63* 



717* 





1-38 



f 



+ 210 



498 





>> 



i 



+ 155 



360 





1-37 



\ 



+ 77* 



624* 





1-36 



\ 



+ 11 



85 





>> 



I 



+ 16-5* 



119* 





1-74 



I 



+ 132 



359 





1-72 



i 



+ 98* 



630* 





1-68 



f 



+ 127 



521 





1-66 



i 



+ 362 



606 





1-62 



H 



+ 165 



635 





160 



H 



- 259* 



745* 





1-57 



2 



- 273 



640 





1-50 



4 



-2313 



674 





1-50 



4 



- 3856* 



739* 



