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556 MR JOHN ALLAN BROUN ON THE HORIZONTAL FORCE 
TABLE XXXV.—MEANS BEFORE AND AFTER TURNING THE TORSION CIRCLE 










ba GRE aT ER 
May 6, 1843. 1:00 = 000" 
Days. Makerstoun. Brussels. St Helena. Soares 
May 4, 5, 31:44 23°27 23°80 29:28 
eto. 17-77 2°76 0-67 797 
Change, — 13°67 — 20°51 — 23:13 — 21-21 
Correction of 
Makerstoun, — 6:84 — 9°46 —754 

110. 1843, November 10.—Adjustment. 
TABLE XXXVI—MEANS BEFORE AND AFTER ADJUSTMENT. 


November 6, 7, 8, . 




Cape of 
Days. Makerstoun. St Helena. Good Hope. Hobarton. 
4:18 2:08 3°59 9°95 
Me 1d a at 4-18 2:32 5-42 10-57 
0:00 + 0:24 + 1:83 + 0°62 
Change, . 



The correction to Makerstoun after November 10 should be + 0°90. No correction 
has been applied in this case. 
111. 1844, November 16.—Arms of torsion circle turned and returned. 

Trevandrum (November 18, 19, 20, 21), minus (November 11, 12, 13, 14), —7-00 
Singapore, : : : 4 : : : — 3:07 
Hobarton, — 4:26 
‘ Mean of three places, —4-78 
Makerstoun, — 5°27 
The means at Makerstoun after November 16 should therefore be corrected by 
+ 0°5; but as in other cases where the correction is small, none has been made. 
112. 1845, April 13.—Arms of torsion circle turned and returned. 

