410 



Special Reports 



Table 3A. Results of Declination Comparisons at the Christchurch Observatory, 1915, 1916, 



and 1920 Concluded. 



1 All values are referred to east pier using the mean station-differences determined from the com- 

 parisons of November 1915 and of November 1920, viz, east pier=jarrah peg 0'.3=brass ;n'pe+0'.6 

 (see page 409). 



' The Christchurch values are from the magnetograms which apply for east pier. 



