(611) 
Variations de la déclinaison magnétique observées sur le Hohen-Peis- 
senberg, de 5 en 5 minutes, et pendant 2% heures, à partir du 
22 septembre 1841, à 10 heures du soir, temps moyen de Gœt- 
tinque. 
memes. |00: |.5. |10/.| 15.120’. | 25/.1:30/. 1357. 1407. | 45”. 1507. | 55/. 
10 h.s. |37,15/37,19/36,55|34,79] » |33,42134,62135,35|35,64136,03 
11 — |36,68/37,24/37,88/38,21138,94/39,12/39,12/39,25/38,94/39,30 
Minuit . |39,81/39,42/39,81|40,02|39,81 |40,02|39,98/39,55/39,55139,12 
1h.m. |39,30/39,21/39,12/39,08/39,98/40,45/30,94/39,85|39,48/39,34 
2 —  |40,45140,45/40,02|39,89/39,76139,12/39,68|39,34138,73|38,69 
3 — |38,19/37,58/37,28136,98/136,98/37,85|38,05|37,75137,92|38,26 
4 —  |39,34138,17/37,66/27,45/37,37|37,37|37,45|37,88/37,79|37,37 
5 — |37,06/37,79/37,50|37,54137,37|37,24136,81|36,21|35,9536,21 
6 — !|36,61/36,08/36,03/36,08/35,39/35,52|35,13154,49/35,77|34,80 
7 — |32,65132,69/32,87/33,03/32,87|32,65|32,65|32,65/32,48/31,88 
8 —  |31,54/31,92/31,97|31,71|31,71/31,97|31,50|32,52|33,12|32,78 
9 — |33,42/33,25/34,16134,54135,60|35,52|35,82|36,73|36,81137,11 
10 — 38,86/40,15/41,43[42,76|42,89|42,55|43,40|43,92144,44143,83 
Il — 44,52145,12146,40147,60|48,07|48,93|48,58149,32]50,50| » 
Midi. . |50,94/51,45,52,44153,55153,55,52,74153,00|52,70152.48|52,15 
Lh.s. |51,02/50,73,50,93]50,37)50,37/51,02/51,06/50,73/50,73)50,43 
2 — 49,83149,45149,06/49,06|48,80 48,54 47,65/47,90|48,03|48,29 
8 — 47,39148,03!46,23|46,88)47,30 47,30|47,13/46,88/46,61|45,72 
4 — 44,31/44,18,43,79143,79142,03|43,53143,27143,27|43,02 | 42,67 
1 5 — 42,64142,51142,64142,64|42,64|42,64|42,80|43,10|43,40 43,79 
6 — 44,12144,56 43,79143,79|43,15143,92/43,96/43,70143,31 43,19 
7 — 42,76,42,76 42,63142,63|42,51|42,64|42,12|42,38 42,59! 41,99 
8 — 42,51/42,59 42,51|142,51|42,64|42,68|42,81|42,81 42,89 42,64 
D —  |42,25/42,51/42,51142,38/42,38/42,28/42,38/42,25/42,25 42,38 
10 — 41,74| » » » » » » » » » 
