Results or Makerstoun Obseevations, 1845. 
TABLE XXXIX. — Mean Variations of the Vertical Component of Magnetic Force, with reference to 
the Moon's Hour-Angle, for each Lunation, for the Six Summer and Seven "Winter Lunations, 
and for the whole Thirteen Lunations of 1845. 
Moon's 
Lunations. 
Hour- 
Angle. 
1st. 
2d. 

3d. 

4th. 

5th. 
6th. 
7th. 
8th. 
9th. 
10th. 
11th. 
12th. 

13th. 

Sum- 
mer. 
Win- 
ter. 
Tear 
000 
O'OO 
0 00 
O'uo 

0-00 
0-00 

000 
0-01} 

000 

000 

0-00 
0-00 
0-00 
0-00 
0-00 
0-00 
0 
01 68 
0051 
0128 
0 198 
01 80 
0032 
0078 
001 7 
091 8 
0048 
00Q7 
0160 
0048 
0046 
OOtt 
0041 
0052 
0077 
0181 
091 ^ 
0036 
0100 
OOnd 
091 8 
01 01 
00Q7 
0212 
0057 
0058 
OOfiT 
\J\J\JO 
00t9 
2 
0176 
0039 
0064 
0117 
0208 
0043 
0094 
OOtS 
0948 
01 69 
0103 
0203 
0051 
0052 
OOfiQ 
OOt 1 
3 
0140 
0014 
0028 
0161 
0202 
0068 
0094 
0055 
0209 
0173 
0070 
0177 
0047 
0056 
0048 
0041 
4 
0079 
0019 
0005 
0162 
01 fid 
0097 
0093 
0 1 Q8 
0109 
0067 
0072 
0048 
0054 
001 9 
\J\J L £i 
0091 
5 
0014 
0017 
0000 
0163 
0166 
0105 
0081 
0060 
0180 
0129 
0042 
0071 
0042 
0050 
0000 
0013 
6 
0040 
0065 
0012 
0176 
01 '^'i 
0107 
0085 
0085 
0139 
0178 
0034 
0048 
0036 
0046 
00 1 4 
001 Q 
0086 
0055 
0042 
0099 
0161 
0114 
0066 
0105 
0122 
01 77 
0030 
0044 
0013 
0036 
0019 
0017 
8 
0091 
0026 
0076 
0060 
0217 
0096 
0066 
0091 
0101 
0177 
0036 
0031 
0018 
0030 
0020 
0014 
9 
0000 
0023 
0126 
0000 
0226 
0099 
0066 
0061 
0088 
0157 
0056 
0000 
0017 
001 1 
0009 
0000 
1 0 
0017 
0043 
0152 
0148 
0243 
0095 
0041 
0048 
0090 
0243 
0073 
0020 
0020 
0035 
0008 
0026 
I ] 
0146 
0058 
0175 
0228 
0245 
0078 
0046 
0036 
0069 
0197 
0095 
0016 
0036 
0041 
0058 
0040 
1 2 
0144 
0078 
0255 
0271 
0239 
0091 
0050 
0027 
0000 
0166 
0092 
0075 
0034 
0037 
0076 
0048 
13 
0179 
0097 
0233 
0293 
0250 
0100 
0049 
0073 
0053 
0121 
0075 
0085 
0049 
0061 
0075 
0058 
14 
0215 
0129 
0236 
0290 
0262 
0086 
0033 
0078 
0060 
0120 
0073 
0071 
0052 
0059 
0083 
0062 
15 
0200 
0131 
0245 : 0320 
0252 
0086 
0033 
0078 
0042 
0129 
0084 
0061 
0045 
0060 
0083 
0062 
16 
0187 
01 14 
0269 
0298 
0248 
0081 
0038 
0056 
0032 
0122 
0084 
0085 
0044 
0050 
0084 
0058 
17 
0182 
0096 
0268 
0212 
0211 
0079 
0029 
0057 
0046 
0131 
0089 
0080 
0024 
0030 
0079 
0047 
18 
0209 
0075 
0244 
0226 
0146 
0081 
0027 
0050 
0062 
0147 
0084 
0078 
0029 
0020 
0079 
0041 
19 
0178 
0056 
0219 
0240 
0118 
0050 
0005 
0058 
0089 
0114 
0057 
0060 
0011 
0018 
0054 
0027 
20 
0157 
0030 
0229 
0233 
0000 
0047 
0000 
0051 
0122 
0093 
0044 
0031 
0008 
0000 
0040 
0011 
21 
0180 
0035 
0167 
0242 
0092 
0046 
0015 
0040 
0151 
0064 
0000 
0025 
0000 
0022 
0022 
0012 
22 
0221 
0004 
0176 
0294 
0185 
0018 
0041 
0017 
0156 
0054 
0010 
0040 
0005 
0043 
0028 
0025 
23 
0172 
0000 
0126 
0254 
0188 
0000 
0049 
0000 
0176 
0017 
0036 
0037 
0010 
0036 
0012 
0013 
24 
0162 
0041 
0057 
1 
0225 
0126 
0012 
0069 
0021 
0203 
0000 
0079 
0114 
0016 
0034 
0022 
0017 
TABLE XL. — DilFerences between the Hourly Means of the Balance Micrometer Readings for the whole 
Series in each Month, and those for the selected Days ; or Table XXXV. minus Table XXXVIH. 
Mak. 
■ M. T. 
Jan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 
Nov. 
Dee. 
Year. 
h. 
Mic. Div. 
Mic. Div. 
Mie. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
12 
- 10-0 
-12-6 
- 12-9 
-25-5 
- 6-4 
-1-5 
4-3 
-10-9 
- 8-0 
-4-2 
-1-7 
- 2-9 
- 8-4 
13 
- Il l 
-11-9 
-19-2 
- 19-8 
-160 
-1-5 
5-5 
-10-9 
- 18-4 
-7-3 
-2-3 
- 6-2 
-10-9 
14 
- 18-3 
-10-4 
-21-6 
-24-8 
-17-5 
-2-0 
9-2 
-11-5 
- 18-3 
-8-S 
-4-6 
- 4-9 
-12-7 
15 
- 11-8 
- 9-1 
-24-7 
-12-1 
-22-2 
-2-8 
10-7 
- 14-2 
- 19-4 
-7-1 
-3-9 
- 6-6 
-12-0 
16 
- 7-9 
- 8-8 
- 16-4 
- 14-1 
-11-5 
-3-0 
10-8 
-11-6 
- 171 
-50 
-2-4 
- 4.3 
- 9-4 
17 
- 4-7 
- 9-0 
- 11-0 
- 5-6 
- 5-7 
-3-2 
10-5 
- 7-9 
- 14-2 
-3-2 
-2-0 
- 3-9 
- 6-7 
18 
- 3-4 
- 80 
- 5-0 
+ 0-6 
- 11 
-3-3 
7-5 
- 4-5 
- 9-8 
-0-9 
-1-9 
- 4-7 
- 4-1 
19 
- 3-2 
- 6-6 
- 2-4 
- 0-5 
- 0-4 
-2-6 
3-0 
- 3-8 
- 7-5 
4-0-4 
-1-6 
- 4-7 
- 30 
20 
- 3-8 
- 51 
- 0-1 
- 1-0 
-h 0-1 
-3-1 
0-3 
- 10 
- 6-4 
4-2-5 
-1-9 
- 4-5 
- 2-0 
21 
- 31 
- 2-2 
+ 0-5 
- 0-5 
- 1-3 
-2-4 
+ 
0-7 
- 2-3 
- 4-2 
4-1-9 
-1-5 
- 4-7 
- 1-6 
22 
- 1-7 
- 1-7 
+ 1-7 
- 0-5 
- 0-3 
-1-5 
+ 
0-8 
+ 0-5 
- 1-0 
4-0-7 
-2-7 
- 3-8 
- 0-8 
23 
t+ 10 
- 0-7 
+ 1-6 
+ 1-5 
+ 0-9 
-1-4 
+ 
2-6 
+ 2-6 
4- 0-S 
4-1-S 
-2.4 
- 3.5 
4- 0-4 
0 
+ 1-6 
+ l-O 
+ 1-8 
-1- 3-5 
+ 4-0 
-2-1 
+ 
3-6 
-1- 2-6 
4- 6-4 
4-4-3 
-2-3 
- 2-6 
4- 1-8 
1 
+ 2-5 
+ 4-7 
+ 3-4 
+ 50 
-1- 4.4 
- 1-6 
+ 
5-7 
-f 4-7 
4-10-9 
4-4-8 
- 1-7 
- 1-3 
4- 3-4 
+ 5-6 
+ 7-5 
+ 6-4 
+ 6-4 
+ 3-6 
- M 
+ 
6-1 
+ 7-7 
4- 12-3 
4-5-2 
4-0-2 
4- 0-2 
4- 5-0 
3 
+ 100 
+ 12-6 
+ 8-3 
+ 10-5 
+ 6-2 
4-1-7 
+ 
5-4 
+ 9-3 
4- 13-2 
4-2-9 
4-3-5 
+ 7-1 
4- 7-6 
4 
+ 11-1 
+ 12-8 
+ 14-1 
-1-1 1-6 
-t- 7-3 
+ 4-8 
+ 
5-9 
-f 1 1 -4 
4-16-1 
4-2-3 
4-6-0 
4- SM 
-f 9 -3 
5 
+ 15-0 
+ 17-2 
+ 27-1 
-t- 14-4 
+ 10-9 
+ 7-0 
+ 
6-3 
+ 13-7 
4-24-4 
4-0-6 
4-7-5 
4-14-1 
4-13-1 
6 
-M5-I 
+ 14-8 
+ 25-2 
+ 16-6 
-1- 11-2 
-F6-6 
6-0 
+ 15-6 
4- 15-5 
4-0-3 
4-9-0 
4-14-6 
4-12-5 
7 
+ 16-6 
+ 9-8 
+ 17-7 
+ 13-7 
+ 9-3 
-1-5-9 
+ 
6-S 
4-1 31 
4-151 
4-0-7 
4-7-0 
4-123 
4-10-7 
8 
-1- ] 5-3 
+ 7-2 
+ 10-4 
-1- 9-S 
+ 8-0 
-1-4-S 
+ 
5-6 
4- 10-2 
4-10-5 
4-2-0 
4-4-6 
4- 1-9 
4- 7-5 
!) 
-i- 5.8 
+ 1-2 
+ 4-3 
4- 6-5 
+ 6-6 
-1-3-1 
+ 
3-2 
- M 
4- 3-3 
4-4-0 
-M-4 
4- 2-6 
4- 3-4 
10 
- 9-2 
■V 0-5 
- 3-8 
-i- 2.8 
+ 6-1 
+ 1-0 
+ 
20 
- 0-2 
- 0-8 
4-4-1 
- 1-9 
- 0-3 
0-0 
11 
- 13-6 
- 4-4 
- 5.0 
+ 0-3 
+ 4-3 
-0-9 
+ 
2-3 
- 9-9 
- 21 
-31 
-3-9 
- 1-3 
- 3-1 
