Sr--i" -(Jt; r-.'fV-^^^c-T*-^', 



5 



Views of Magnetic Observatories in Europe, Russia, and Egypt. 

 Seddin. near Potsdam, Germany. 2. Kew, England. 



Rude Skov, near Copenhagen, Denmark. 4. Falmouth, England. 



1. 

 3. 

 5. Helwan, near Cairo. Egypt. 



6. Tiflis, Transcaucasia. 



