Magnetic Observations at Cambridge, United States. 133 
Gottingen ° Att. cilins! Gottingen Att. Att. | Corr. 
Moan Att.) Dec. | HF. | Att carr: oe Mean V. Ful Atte | Dao, i. Ba Atte), Corr: a 
Ane h. m : c | 
pe ee ; _ || “6 “O| +6.35) 39.8] 130.0] 93.5] 55.8] 30.167| 29.0, 
1 0} +4.49] 35.5] 145.1] 96.0] 33.0] 30.013/28.0]/ 8 0}  6.51).40.5| 130.0} 93.2) 55.5] 30.154] 29.5, 
1 50 144 2} 93.1] 33.5 291) 9 0 146.0) 93.2) 51.4] 30.210) 19.5! 
2 0] 4.21) 35.2) 143.4] 93 1} 33.5} 30.011|30 3 Term) day| omitjted. 
210}  4.22|35.3] 141.7] 93.0] 34.0] 30.030] 31.0||Mar. 24 
3 0| 5.41/36.0] 142.3] 93.8] 37.0) 30.084|34.0|] 12 0) 7.25] 46.5) 143 0) 178.3) 59.6} 30.193) 31.7 
4 0|  6.37/38.0] 140.0] 93.6] 42.1) 30.056] 36.0] 13 56) 8.17] 46.0] 145 4] 170.7] 54 1} 30.188) 30.2 
5 0|  6.18]39.7] 135.0) 93.6] 46.4] 30.097] 38.0] 214 0| 8.13} 46.0| 144 8} 169.9) 54.0 
6 0|  7.15/42.0] 134.2) 93.5) 50.0] 30.147] 41.5) @14 10; 8.16] 45.9] 144.3] 169.0] 53.9] 30.192 30.0 
7 0\ 8.10} 44.0] 134 0] 93.6] 53.5] 30.076] 44.0|| 15 0] 7.37] 44.8] 138 0} 170 7] 52 0} 30 187] 29.4| 
8 0| 8.22} 45.0] 133.0] 93.8) 55.5) 30.012] 43.0] 16 0) 7.19] 43.5] 140 0} 171 0) 54.0) 30.170) 28.8) 
9 0|  8.12| 45.0) 133.0) 93.8] 55.5] 30.010] 43.5|| 17 0} 8.20) 43.0) 137.0} 171.4] 57.2) 30.156} 28.3 
10 0| 7.26} 43.5] 137.0] 91 8} 49.0] 29.979] 36.0|| 18 0) 7.44) 42.5] 137.0] 171.6] 59.7] 30.160} 28.0) 
11 0\ 7.21) 43.4] 149.3] 92.5] 47.0] 29.982/ 34.9] 19 0| 7.00} 42.0] 138 0| 173.¢} 60.0) 30.114] 27.0) 
12 0 146.5 29.977|34.4| 20 0} 6.37] 42.0] 138.9) 174.9] 60.0) 30.103] 28.8) 
13.50 7.16} 42.8) 141.7) 92.2) 45.5} 30.062/34.0| 21 0| 7.48) 42.0) 133.6] 176 7] 60.1| 30.081] 30.0 
14 0} 7.21/42.6) 146.9} 92.3} 45.2| 30.018) 22 (| 8.06] 41.5] 134.6] 175.5] 60.0] 30.082] 30.5 
14.10) 7.20/42 7| 138.9] 92.3] 45.0) 30.055] 33.7||Mar. 25. 
15 0 6.27) 42.0) 139.0} 92.6] 44 2} 30.055) 33.0] 24 0} 6.13] 41.0} 143.8] 174 5] 60.0} 30.076] 31.7 
16 0} 625/41 4/ 138.0] 94.1) 48.5) 30.062/31.8] 1 0) 6.11) 40,4] 146.0) 174.6] 59.0) 30.065] 33.1 
17 0} 6 27/41.2} 137.9} 94.2) 50.0] 30.062/31.9| ¢1 50) 6.24) 40 5] 145.7] 175.5] 57.0} 30.015] 35.0 
19 0 6.31]41.6) 137 8) 94.2) 56.6) 30.053)31.4) 22 0) 6.19) 40,5] 145.7) 174.9) 56.2 
20 0} 6.02} 40.3) 139.8) 94.3] 58.2] 30 050/31.3) @210 6.30 145.0] 174.6] 54.7] 30.024] 34.2 
21 0) 6.12} 40.5} 140.0) 93.9]57.8) 30.030] 33.3|} 3 0) 6.18) 40.7) 142.8) 177 8] 54,7] 30 051) 33.8 
92 0) 6.47] 41.5} 138 7] 94.0] 57.6] 30.029] 34.0|| 4 0) 6.25) 40,6] 134 2) 181.3) 53.0) 30.020) 34.3) 
23 0) 6.12} 41.5} 139.3) 94.0] 58.0] 30.022) 32.8/] 5 0 6.57] 41.0] 134.8] 182.0] 55,5) 30.000] 34.3) 
Mar.22. 6 0| 5.25] 40.7] 131.3] 178 6] 55.0] 29.957] 32.9 
24 0) 5.24] 41.0) 141.3] 93 8] 57.6) 30.015]32.2|| 7 30) 6.36} 41.0] 129.1] 178.1] 55.5] 29.901] 31.0 
1 0} 6.36] 40 5} 143.2 93.2) 55.8} 29.990] 33.5|} 8 0!  6.21/ 40.0] 129.0] 173.0) 55.0) 29.902) 32.0 
150 5.43) 40.5) 142.4] 93.3] 54.3] 29.985] 34.2] 9 0 4.26) 39.5] 134.0] 175.0) 53.5] 29 869] 32.5 
2 0 5.49) 40.5) 142.2} 93.3]54.2/29.973/34.3] 10 0 4.14] 39.5] 136.0] 166 U} 50.5] 29.820) 33.0 
210 6.9] 40.5] 142 2} 93.3}54 1] 29.979/34.3|| 11 0 4.23] 39.5] 140.0) 166.5] 49.0] 29.798) 33.5 
3 0 6.48) 40.5} 139.8} 93.2] 53.5] 29.986] 35.3|| 12 0 6.36) 39.5] 142.5) 165.9) 45.0) 29.843) 34.5 
4 0  6.43]40.5] 136.2} 93.7] 52.5] 29.972] 35.0|] (12 50) 6.36] 39.5] 141.7| 166.4) 45.0 
5 0  6.16/41.5) 130.6} 93.5] 52.7] 29.956] 35.0] 213 0 6.42) 39.5] 141.4] 165.6] 44 9} 29.711] 33.5 
6 0 6.06] 41.0) 128.0} 94.0] 54.0] 29 950} 34.5|| @13 10 6.32) 39.5) 140.0| 166.6) 44 5} 29.662) 33.5 
7 0 6.20) 40.5] 127.6] 93.5] 53.8) 29.876] 34.0|| 14 0) 7.34] 39.5} 140.0] 168.8} 46.8} 29.618] 36.0 
8 6  6.17/40.5) 130.5] 93.0) 52.2/ 29.910) 31.5|} 15 0) 7.34) 39.5] 138.0) 169.t/ 51.0) 29.600] 35.8 
9 0 5.12) 38.0] 134 8} 92.2] 50.7] 29.869] 310)| 16 0) 7.28) 39.7| 137.5] 170.5) 51.5} 29.587] 35.0 
JO 0 6.32) 38.5] 135.5] 92.2} 49.6] 29.870) 31.1||/Mar. 28. 
11 0, 442/387) 137.0} 93.0] 48.9] 29.955] 298i] 4 0| 8.44) 45.3) 135.5] 181.1] 44.5] 29.759) 44.5 
12 0  4.24)38.0) 137.0} 93.2] 48.21 29.950/30.2| 6 0) 9.06] 46.2) 133.3] 178.5] 48.8) 29.762] 43.8 
13 0 4.24) 37.8) 137.0) 93.0) 47.5] 29.977 7 0| 9.12) 47.5] 127 5] 176.1] 50.5} 29.769] 41.5 
13.50, 5.33) 37.51 1365] 92.7] 46.6 8 0] 11.25] 46.5) 129.2) 171.5] 49.6] 29.826) 41.2! 
oan 10, 3.21) 37.5] 136.9} 92.) 46.5] 30.012) 31.8// 9 0} 8.24) 46.7) 132.0) 168.1) 48 5/ 29.892) 39.0 
15 0, 4 20/37.0) 139.5) 92.1] 45.0] 30.017] 30.0] 10 0} 7.31) 46.0] 132.0) 159.0) 49.0) 29.859) 37.5; 
16 0| 3.43) 36.5] 148 9} 93 6} 44.8] 30.025] 27.8] 11 0] 8.45) 45.0/ 136.6] 172.7] 52.5] 29.963] 36.0 
17 0| 4.31/36.0) 138.0} 94.0] 46 1} 30.048] 26.5]| 12 0] 8.10) 45.5] 137.6} 172 6} 52.0) 30.029] 34.0 
18 0} 4.00} 35.5) 143.5] 94.1] 48.5] 30.053] 26.0]/ 13 0] 7.40] 44.5) 138.2) 171.2) 50.5) 30.042] 33.0 
19 0}  3.21/36.0/ 141.0) 94.0]50 0] 30.053) 24.0)| 14 0} — 7.80) 43.5) 138.0) 172.1] 50.5} 30.095) 31.9 
20 0! 340/360] 140 7| 936) 49.0] 29.911 24.0] 15 0] 7.04] 42.7 140.0] 176.0] 54.2) 30.101] 30.0! 
21 0] 3.25] 85.0) 140.5] 94.0] 49.0] 29.905] 24.0) 16 0} 6.46) 41,5] 139.8} 176.5] 52.0) 30.128) 29.3 
22 0| 3.14) 35.0] 140.6} 94.0] 50.5] 29.939] 22.5]] 17 0] 6.80] 40.7] 139.8] 174.7] 50.2) 30.143] 29.0 
23 0} 3.19] 34.0} 141.1] 94.31 54.0] 29.927] 20.0)] 18 0} 6.14] 40.0] 138.5] 173.0] 50.5) 30.139] 29.0 
Mar. 23. 19 0} 6.10} 39.6] 138.8] 173.2] 50.3} 30.133] 28.5! 
24 0} 4.46} 34.01 133.2} 94.0] 56.0] 29.982) 20.0)| 20 0] 5.45) 39.0] 138.5] 171.2) 49.5] 30.158) 28.5) 
1 0} 4.47/34.5} 144.0] 93.8] 55.0] 30.130] 22.0|| 21 6} 5.29] 38.1] 139.8) 170.5] 48.5} 30.174] 23.2 
1.50) 4.13] 35.0) 147 2] 93.9] 54.2] 30 125] 23.0]] 22 0) 5.22]37.5] 139.0] 170.1} 47.6) 30.185) 28.5 
2 0} 4.19/35.01148.0] 93.¢] 54 2) 30.137 23 0} 5.22] 37.2) 142.2| 171.0| 48.0) 30.188) 28.3 
210) 4.20) 35.0] 146.7] 93.7] 54 2| 30.134] 23.0||Mar.29. 
3 0] 5 36] 36.0] 142.7] 93.7] 55.0] 30 132] 25.0]] 24 0] 5.10}37.0) 137.9] 173.6] 48.0] 30.192) 28 6) 
3.55] 5.521 37.0] 136 6} 93.6] 56.0] 30.131] 27.0 5.13] 36.8) 142.0] 172.5] 49.0] 30.206] 32.5 
5 |  6.4c} 38.0] 137.0] 93.6] 56.0] 30.173] 27.0 
