Development 
of 8 H. 
10 
MR. LUBBOCK’S RESEARCHES 
+ { _ § rJ + S r ‘'- i eSrs '+1 { r ' ~ As } + w~ 4 B < ■ 005 (2 4 + 2 
P] 
- ™ r °+a { , ‘ ,+A -}+is {'■’ W " a c! {'•'+*>} + a { v + *.} 
— **8 1j r~A t 9 ’+ A s 
} 
~ If + A4 } “ ^ e/2r5f ^ e/2ri ' + l37' 8 t 27\'9 t ^ 
+ |^{ 7 ’io , + Ai 0 }-|-y 2 Si4 7 - 7 2 s 147 |e 2 cos 2 x 
[ 8 ] 
f 56 ,_10 r _38 r ,_38 , 105 f ,_ 1 _ 15 9 f , 1 
+ 1 + 15 0 81 1 17 T2 77 3 + 16 ' l 4 5 f l6 e ' V s + 
+ f 7 { rs ' + As } + W T9 ' + B y2 5,47 } 
e s cos (2t — 2x) 
L9] 
,r,40 ._10 f 2° f _ 1 2 f_38,.21 2 f , 1 S_ e ,f r , , x \ 
+ \ + 27 ° 8l ri+ 27 s T6 ers 77 4 + S V 5 3 J 8^ ' V 5 + 5 / 
+ ^ { r8 ' ” As } + W Tl0 ' + T6 7 °~ 5,47 ] 62 C ° S (2 1 + 2 ' X) 
[10] 
^{^^}_3| r ,_| e , V+ |{ r , + Xt }_38{ r , + , !} 
+ 
+ 
20 . , . 
— — e~ rJ + 
27 
- i?e®r 14 f + A y 2 Si 47 + 0| y 2 Si47 | ee/COS (* + z) 
[ 11 ] 
81 
16 
,[ 360 , 20 f 70 , 32 , 153 -f . ,1 38 / , \ 38 , 
r j- 23 r °-2-7 r/+ 27 n3+ 43 r » T* “ I?!' 4 + X# J “^ f# 
+ ^ { r “ , + Al1 } + lif 7 ’ 12 ' + -g">' 2Sl «j e ^ c0S (2 t-x-z) 
[ 12 ] 
20 , 20 , 10 , 3 0 r , . X . 32 , , 20 f, .1 38„, 
27 r ° 27 r ‘ 2 7 T<1 16 6 L 3 Xj J + 43 r4 + 27 1 5 X; 7 77 7 
+ % + j^ r is' + J-V 2s 147 j ee / C0S (2 t + X+ z) 
[13] 
