1881.] 



447 



[Chase. 



L = 214. 45n 



\1 year/ 



= 36.3658r„ 



(6) 



M = (-Y^o = 474657.14r„ : (7) 



log. f =r log! 1 = — .7781513 



log. e + log. 19,; + log. 361 : = log. (fL) = 1.2085109 



log. ^ + log. 39,j+log. 1521^ = log. [(317.53)2 X 460.002] == 7.6663302. 

 log.^r= .0055982. 

 log., = —.0018046316. 

 The following table gives the logaritlims, both of the centripetal and 

 the centrifugal abscissas, as calculated by the formula : 



log. A^ = log. ^ ±n log. 7j +11^ log. ^. 



Centripetal, Centrifugal, 



n (log. I + ?i log. Tj + n'^ log. 0. (log. ^ — n log. tj + 7i^ log. 



—.7781513 



—.7707485 



—.7521492 



—.7223536 



—.6813616 



—.6291731 



—.5657883 



—.4912071 



—.4054294 



—.3084554 



—.2002850 



—.0809182 



.0496451 



.1914047 



.3443607 



.5085132 



.6838620 



.8704072 



1.0681489 



1.2770869 



1.4972213 



1.7285522 



1.9710794 



2.2248030 



2.4897231 



2.7658395 



3.0531523 



3.3516616 



8.6613672 



3.9822692 



