(170) 
Variations de la déclinaison magnétique observées à Bruxelles, de 5 en 
5 minutes, et pendant 24 heures, à partir du 27 août 1841, à 
10 heures du soir, temps moyen de Gættingue. 
HEURES. | 0’. | 5’. | 10’. | 15’. | 20’. | 25’. | 30/. | 35’. | 40’. ere 
10 hs 57,17157,62/57,75/57,99|58,30/58,88 57,91 58,48 
NES E 59,53/59,11/58,72|58,44[57,89/57,46 a rat 
Minuit . 57,38157,59/57,76|57,69[57,21156,99 1155,93 
1h. m. 56,77 56,80/55,95/55,52/56,27|56,47 57,0515 57,54 
GE 58,62/58,67/58,77158,86/58,76/58,75|5 58,47 2158,55| 
Sue 58,72|58,69/58,71158,26|58,06/58,07157,97|57,57 57,48, 
NEA 57,48157,47|57,83|57,75/57,97|57,44 57,54 
SAVE 57,24156,84/56,63|56,24/56,03|/56,03 55,80 
(ES 55,52/55,20|55,12/55,15/55,08/54,80 55,47 
RES 56,03156,02/55,67[55,50/55,57/55,75 56,23 
FES 56,04/56,24/56,19/56,10/56,12|56,25 2155,82 3 ban 
æ 56,16[56,32/56,16/56,09/56,04/55,94155,84/55,98/56,04/55,97 
DORE 55,76/55,61/55,42/55,28155,11155,14/55,05/54,85/54,76|54,71 
RME 7154,73154,64154,77154,54154,36|54,33|54,03|53.85/53,86|53,71 
Midi. . 3,59/53,53/53,46,53,44/53,67|53,73|53,67153,66|53,66,53,66/53,56 
1h.s. |53,34/5 53,36/53,16/53,16|53,10/53,00|53,00|53,17|53, ie 42153,38 
2 ET NI 48153,54153,59/53,71153,64/53,69/53,89/54,06|54 Ts 54,12 
REY 54,63154,73154,74154,77154,84/54,98/55, Mn Et 55,01 
PRE 2 1,93/54,88/54,80/55,00/54,93/54,07/55,07/55,18/55,22/55,25|55,32 
OX 55,37155,47155,41155,45/55,44/55,46 55,45/55,52/55,65 
pere ls 55,66|55,66155,74|56,10/56,48|57,04157,17|5 57,24/57,55!57,69 
TES 57,81/57,30|56,66/56,32)56,28|56,30|56,34156,49/56,58/56,52 
Sub 56,74[56,72156,66156,67/56,58156,72156,62|56,48/56,45 56,46 ||” 
9 — |56,39156,24156,17/56,19/56,19/56,36,56,50/56,54/56,65156,67/56,73156,75 [M 
