Tran.Roy. Soc. Edin. 



Vol. XL 



Magnetic Shielding in Hollow Iron Cylinder 



S. Plate 5 



F\ G. XXXII 



SkceU A 



Fl G .XXVIII. 



Skceid /}. re Conditions. 

 *>ee C*k/e xvni. 



Fl G.XXX. 



SAteM/1. err conditions. 

 *><?e f&£/e xvii. — - Tn. 



so Ht- 100 



