EARTH'S MAONKTFSM I'lJOMCKI) BY THK MOON AND SUN. 299 



T\I:I.I: I. Velocity Potential Qt 1 on 



, _ _J_ 5 d* cos 3 S _ 13 cos'i! / , _ d,j 

 P - '' Gd t> 432 d* 252 ' d a * l ' ; '/., 



3 d l cos 



20 



'- 15 



cos 



ft 1 - 



3 nt t sin 



20 rC 



ft l - 



d } sin 



^ 

 45 



ft'- 



1 c?i cos S 

 90 d a ' 



ft' = 



1 ti," sin S cos $ 1 sin 8 cos 

 72" "^7" "42" d u a 



2 BJU J cos S / , _ <V \ 

 35<C "T" ci,/' 



3 _ sin S cos S d _ sin S cos ^ / 



v>? = ' TT- [d* j- ) , 



^ 4 o m w ^ \ * /7 .' ' 



COS' 



7 _ 



V ' do/' 



7a - - 



cos" S d* coe" S ij d*\ 

 144 ' d* 84d^\ * 



OOtfS 

 ZSOdJ V 1 ** 



2 Q 2 



