54 REPOBTS ON THE STATE OP SCIENCE. — 1919. 



Here the seven or ten figure logarithms may be used in the test 

 calculation. 

 But tested with ordinary seven figure logarithms 



,,„ ,,^ sinni°15'sin233°45'(sin45)' 

 ^^'^''s; - sin67°30' 



-p/om ^4_ sin^78°45' sin '^56°15' (sin 45)' 

 B{IZ^J - sin67'30' 



A(22i)^=al 2-0667053 

 A(22i)=al i-5166763=0-32860 



ST^=tan278°45'tan-''56°15' 



■ ^S»y =al 0-4382228 



A(22|)=al 1-5166763 



B(22i)=al 1-9548991=0-90136 



1 ;_sin^66° 15^3in 67°30 (sin 45)^ 

 D(22|) — 2 sin278°45'sin-22°30' 

 D(22i)''=al 0-3178220 

 D(22i) =al 0-0794555=1-2008... 



sin''33°45'sin 67°30'(sin 45) ^ 

 0(222)'— 2 sinni°15'sin22°30' 

 C(22i)< 



1\4 



=tan233°45'tan278°45' 



D(22i) 

 ^^^^i|=al 0-2630154 



D(22^)' 

 D(22i)=al 0-0794555 

 C(224)=al 0-3424709=2-2003 

 E-F=tan222°30' 



=ari-2344486=0-171573 

 tan 22°30^ 

 ■*" sin 45° sin 67°80' 



=al 1-8021240=0-634051 

 E(22i)=0-402812 

 F(22i,) =0-231239 



