Table 737 {continued) 583 



MEAN ANNUAL VALUES OF MAGNETIC ELEMENTS AT OBSERVATORIES 



1 11 months, no observations in May. » Mean values from magnetog'rams at 8 h and I4 h daily; other values 

 given are means of all hourly scalings. k Because of electric railway, superseded in 1926 by observatory at 

 Abinger. ' Means, 10 months, February to November. m Mean, 10 months, January to October. " Mag- 

 netograph for D only. ° Discontinued in 191 2. 



Smithsonian Tables 



