LIEUT. CLERK’S REPORT: ELEMENTS OF REDUCTION. 
351 
^ — 16^0"" 6 16 }j 
— J— *06 1 3 (log = 2'/8745){.s 1 +.s 31 s 15 — -s 17 }, 
+•0577 (log =2-76149){^+«30-J 14 -« 18 }, 
+*0520 (log =2'71572){^3+5 29 — s l3 -s 19 }, 
+ "0442 (log = 2*64536) {s 4 +s 28 s i 2 ~ s 2 o}> 
+ •034 7 (log =2*54062){j 5 +j 27 -« n — %}, 
+*0239 (log =2'37872){-Sg+<s 26 s 4 o s 22 ^> 
+'0122 (log =2'0861 l){<? 7 +% — s 9 — %} 
D = '057/ (log =2'/ 6149) {jj 5 31 -Si 5 + 'yi 7 + >S 7 — >% ^9 
+•0442 (log =2'64536) ^ 30 — « 14 +^ 18 +^ 6 --%— %+%}, 
+ *0229 (log =2’37872 ){a 3 >%•— S 13 +,S 19 +,S 5 — S 27 — 
“ 4 " Yg { ^4 — ^28 ~ ^12 H~^20 1 
(18.) 
(19.) 
+'0239 (log =2'37872){^ 1 +5 31 +%+^ 17 — s 7 —s 25 —s 9 -%}, 
+'0442 (log =2'64536) {5 2 +^ 30 +5 14 +5 18 — ■ s 26 ““ ,s io — ^ 22} 5 
+ '0577(log=2'76149){s 3 +s 29 +s 13 +%— s 5 —s 27 — s n — s 2l . . . (20.) 
2. Using the deviations observed on the sixteen principal points only, we have 
A = jg{So+- s 2+' ? 4 • • • • +’ s 3o) (21«) 
B- 0478 (log =2'67975){5 2 -^ 30 +^ 14 -^ 18 }, 
+ '0884 (log =2'94639){s 4 -s 28 +s 12 -.% ) }, 
+'1155 (log =T'06252 ){s 6 — %+« 10 — ^ 22 }, 
+f{*8-%} (22-) 
C — g(^0 — ,y 16)j 
+*1 155 (log = 1‘06252){5 2 +53 o— ^ 14 ^isl? 
+*0884 (log =2'94639) {^ 4 +« 28 —5 12 —5 20 }, 
+'0478 (log =2-67975 ){j 6 +%-j 10 -5 22 }. ....... 
D='0884 (log =2'94639) {5 2 —.9 30 —s 14 +^ 18 +^ 6 —5 26 —s 10 +« 22 }, 
+ 8^4 — ,S 28'“ ,S 12 + %) 
E = ^-{.?o + ^i6 5 8 S 2A^’ 
+ ’0884 (log =2'94639){5 2 +%+5 14 +^ 18 ^ 10 s 22 s^}. 
2 z 2 
(23.) 
(24.) 
( 25 .) 
