36 



Land Magnetic Observations, 1905-10 



Magnetic Observations and Computations. 



Dip Observations with Dip Circle. 



Station: Tekrit, Asiatic Turkey Date: Tues. Dec. 13, 1910 ObsW: W. H. S. 



Dip Circle No. 202 Chron. No. 257 Needle No. 1 



J2 



*The so-called polarity correction. 



