MR JOHN ALLAN BROUN ON THE HORIZONTAL FORCE 
518 

TABLE VI.—MonTHLY MEAN VALUES OF THE HorIZONTAL Forcr AT MAKERSTOUN AND HoBARTON IN TEN-THOUSANDTHS OF THE 
ee ea a 
1845. 
WHOLE HorizonTaL Forcr AT EACH PLACE FOR THE YEARS 1842-49 (minus A CONSTANT AT HACH PLACE.) 
MontTHSs. 

January 
February 
March . 
April. 
May. . 
June. 
July . 
August . 
September 
October 
November 
December 
Nore—The mean values in brackets [ ] for Hobarton are interpolated from Makerstoun. 


1842. 
Makers, | Hobar. 
855 | [8:30] 
10-30 |[10-05] 
14-27 |[14:02] 
12:39 | 1214 
22-92 | 22-12 
25:86 | 23-93 
25:14 | 21-12 
25:96 | 26-46 
28-54 | 28.41 
32°82 | 33-02 
34-92 | 33°59 
39:29 
40°39 
ee 

1843. 1844, 
Makers. | Hobar. | Makers. | Hobar. | Makers. 
45-47| 41-74] 76°63 |['71-55]| 99:43 
46:26| 41-21] 78°45 |[73:37]}100-:18 
43-84| 41-19] 76°61 [71:53] 99°88 
45:60| 42:17] 79°76| 73:95] 98-90 
49:29 | 43:82] 86°79| 79:50/103-40 
52°38 |*47-82 | 94:25| 84:86 |106-45 
51:04 |[45:96]] 95°84 | 85-77 105-72 
52°57 |[47:-49]] 93°76 | 83:07 |104:07 
55-42 [50°34]] 93°60) 84-17 |100-78 
57-74 |[52-66]| 93°44] 85-34 |104°61 
65-79 |[60-71]] 97:40| 88-75 {108-51 
70°65 |[65-57]}102-12| 94-09 |108-95 






Tlobar. 
95°62 
100°20 
102°26 
102:08 
105°99 
109:27 
108°21 
107°44 
106:°34 
110-07 
113°14 
114°72 

1846. 
Makers. 

112-11 
113°16 
11354 
113°54 
117:16 
115°70 
119°39 
113-88 
112°33 
114-80 
121-61 
127°75 



Hobar. 

117-79 |129-25 
118-75 |125°73 
119-16 |128-06 
116-96 |127°31 
116-41 }127°51 
118°87 |134°55 
117-98 |131:46 
116'37 {130-16 
116:04 |128-57 
119°32 |119°81 
125°53 |125°84 
130-16 135-91 
Makers. 


1847. 
Hobar. 
131-56 
128:22 
126°59 
124:27 
128-00 
131:78 
130°82 
130°C6 
125-29 
126-46 
128-28 
128-78 
1848, 
Makers. 
128:05 
126:49 
130-64 
134:06 
140-54 
143°16 
143:05 
141:16 
135°52 
142°30 
140:29 
140-10 

Hobar. 
131-80 
130:19 
131:15 
132-73 
136°88 
142°04 
136°29 
140°72 
142°50 


1849. 
Makers, 
143:92 
146-20 
146-38 
150-70 
158°33 
167-38 
163-58 
159-21 
156°47 
155°40 
159-75 
166:00 

* June 1843, Hobarton is from half a month’s observations ; but the mean has been corrected to the mean of the whole month by the 
corresponding observations at Makerstoun. 
