. Annals of Philosophy. 374 Ditto Ditto Ditto Ditto Ditto Ditto in Sept. in Aug. in July, ip June. in May. in April. Astronomical and Magnetkul Observatioiis f Morning at Sh 53' Variation 24° 15' ^Noon at 2 02 Ditto 24 22 (Evening at 6 03 Ditto 24 16 ([Moriiing at 8 44 Ditto 24 15 <Noon at 2 02 Ditto 24 23 (Evening at 7 03 Ditto 24 IC (Morning at 8 37 Ditto 24 14 ^Noon at 1 50 Ditto 24 23 (Evening at 7 08 Ditto 24 13 f Morning at 8 30 Ditto 24 12 ^Noon at 1 33 Ditto 24 22 (Evening at 7 04 Ditto 24 16 (Morning at 8 22 Ditto 24 12 ^Noon at 1 37 Ditto 24 20 (Evening at 6 14 Ditto 24 13 (Mornin
. Annals of Philosophy. 374 Ditto Ditto Ditto Ditto Ditto Ditto in Sept. in Aug. in July, ip June. in May. in April. Astronomical and Magnetkul Observatioiis f Morning at Sh 53' Variation 24° 15' ^Noon at 2 02 Ditto 24 22 (Evening at 6 03 Ditto 24 16 ([Moriiing at 8 44 Ditto 24 15 <Noon at 2 02 Ditto 24 23 (Evening at 7 03 Ditto 24 IC (Morning at 8 37 Ditto 24 14 ^Noon at 1 50 Ditto 24 23 (Evening at 7 08 Ditto 24 13 f Morning at 8 30 Ditto 24 12 ^Noon at 1 33 Ditto 24 22 (Evening at 7 04 Ditto 24 16 (Morning at 8 22 Ditto 24 12 ^Noon at 1 37 Ditto 24 20 (Evening at 6 14 Ditto 24 13 (Morning at 8 31 Ditto 24 09 )Noon at 0 59 Ditto 24 21 (Evening at 5 46 Ditto 24 15 MaQuetical Ohservaiions M orning Observ. Noon Observ E vening Observ. I Month _^ Hour. Variat ?on. H jur. Variat on. Hour. Variation. Apr' 1 8^ 38' 24° 10' 41" Ih 50' 24° 23' 42" »!> 15' 24° 16' 28" Ditto 2 8 45 24 11 39 50 24 24 46 6 15 24 15 37 Ditto 3 8 45 24 13 04 15 24 24 00 6 25 24 14 48 Ditto 4 8 45 24 12 01 45 24 24 30 — — — — Ditto 5 8 45 24 12 28 50 24 24 46 6 25 24 09 35 Ditto 6 8 45 24 14 13 45 24 24 15 6 25 24 15 37 Ditto 7 8 48 24 12 47 — — — — — 6 25 24 16 21 Ditto 8 8 40 24 11 48 42 24 23 41 6 25 24 11 49 Ditto 9 8 55 24 12 oo 55 24 25 14 — — — — — Ditto 10 8 40 24 12 37 45 24 25 09 6 35 24 13 26 Ditto 11 8 45 24 12 00 35 24 24 16 6 35 24 14 03 Ditto 12 8 55 24 13 59 50 24 22 34 6 25 24 16 58 Ditto 13 8 45 24 12 48 50 24 23 20 6 30 24 18 13 Ditto 14 8 50 24 13 34 55 24 28 21 6 25 24 17 24 Ditto 15 8 35 24 11 23 45 24 22 04 6 25 24 15 05 Ditto 16 8 45 24 12 27 45 24 23 46 6 20 24 14 54 Ditto 17 8 50 24 12 25 30 24 24 49 6 30 24 15 28 April 2.—Tlie highest needle, number four, vibrated at intervals 17 minutes, which is the greatest quantity observed since the com- mencemt'nt of the observations. This extraordinary fluctuation was in a few hours followed by a hard gale, with violent squalls and raia from the S. W. The variati
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