r g2 Table 737 (continued) 



MEAN ANNUAL VALUES OF MAGNETIC ELEMENTS AT OBSERVATORIES 



"Last 4 months only. ' No values in September. « 1915, New site at Zouy; values for 1915, 1920 deter- 

 mined from Zouy by applying corrections, D, -f-o'.s(E); /, —14'. 7; H, +1817. b Built in 1914; World War 

 prevented operation until 1921. 



Smithsomian Tables 



