Development 
of s R. 
[63] 
12 MR. LUBBOCK’S RESEARCHES 
+ j + Xi } ~ T e2 { r3 ' + ^ e / a r -' + ^ e < 2 r ' + ^ } y ■ cos 2 y 
[62] 
+ { + I r '' _ i rj, + re e ' s { r * , - A 4 _ f6 £ ‘ !, {’' s ' +i ' s } + [i s '"}' > ' Scos(2! - 2 » ) 
+ {+ ^-/ + 4^}y 2 eos (2t + 2y) 
[64] 
+ j-|-{ r >' + A ‘} + fjj{ r 3' + * 3 } “ | s i 47 jy 2e(; os (x-2 y) 
[65] 
+ |-4-{r 1 '+ A,J +4*H 7 |y 2ecos (^ + 22 /) 
[66] 
+ { + T r ‘ f + iB r3f — T s ‘ 47 } y °' ecos ( 2 * — * — 2 j/) 
[67] 
+ | r/ + ^| r f 3 } y 2 e c° s (2 < - ^ + 2 z/> 
[68] 
+ | — 4 r i f — 4 S ‘ 47 } y 2 e cos (2 1 + X - 2 y) + r/ y 2 e cos (2 < + x + 2 j/) 
[69] [70] 
+ { - ^ W + X,} + ^ r '* + ^ *147} y*«< cos ( Z ~ 2 V) 
[71] 
+ { + % w ■ + A 1 } + ii f5 ' + IT 5147 } y °" fi/ cos {z + 2y) 
[72] 
+ { + + % T ' + ^^}re l co S (2t- Z -2y) 
[73] 
+ 4 r i f y 2 e i cos (2 ^ — z + 2 2/) 
[74] 
+ { + A r ‘ ,+ H w -^} + 4 SH7 }y 2e/Cos ( 2< + z_2 2') 
[75] 
+ r/ y 2 e t cos (2 t + z + 2 y) 
[76] 
