&44 Tables of the Variation of the Magnetic Needle 
Table I, Containing the Variation of the Needle , as observed 
in Denmark , Norway and Sweden. 
Year of 
Magne- 
Year of 
Magne- 
Names of Places. 
Observa- 
tic Va- 
Names of Places 
. 
Observa- 
tic Va- 
tion. 
riation. 
tion. 
riation. 
Arendal, 
1796 
20°21'W. 
r 
1774 
16°27'W. 
Arboga, 
1799 
17 25 
1775 
16 37 
Avestad, 
1799 
17 40 
1775 
16 20 
( 
1768 
19 20 
1775 
16 33 
Bergen, - -J 
1791 
24 45 
1775 
16 26 
( 
1792 
25 30 
1775 
16 27 
Bommel Island, 
1792 
24 52 
1776 
16 27 
Bessested, 
1780 
34 30 
1776 
16 30 
Christiansund, - 
1768 
16 30 
1776 
16 30 
Christiansand, - 
1794 
22 0 
1776 
16 28 
r 
1761 
15 15 
1776 
16 32 
Christiania, - -< 
1769 
1816 
16 45 
20 15 
1777 
1777 
16 20 
16 39 
1 
1817 
20 3 
1779 
17 5 
Carlberg, 
1799 
17 5 
1782 
17 41 
Carlscrona, 
1716 
11 15 
1783 
17 49 
1649 
1 30 E. 
1784 
17 42 
1672 
3 35 W. 
1784 
18 0 
1730 
10 37 
1785 
18 7 
1731 
11 15 
1786 
18 9 
1765 
15 5 
Copenhagen, 
1792 
18 23 
1765 
15 3 
-< 
1793 
18 15 
1767 
15 7 
1806 
18 25 
1768 
15 13 
1807 
18 21 
1768 
15 0 
1808 
18 22 
1768 
15 2 
1809 
18 22 
1768 
14 50 
1810 
18 16 
1768 
14 56 
1812 
18 17 
1769 
15 30 
1813 
18 22 
1769 
15 29 
1813 
18 11 
1769 
15 34 
1813 
18 10 
1769 
15 22 
1813 
18 14 
1770 
15 32 
1813 
18 8 
Copenhagen, - ■< 
1770 
15 32 
1814 
17 58£ 
1770 
15 32 
1814 
17 56 
1770 
15 32 
1814 
17 56 
1770 
15 37 
1815 
18 6 
1771 
15 32 
1815 
18 3 
1771 
15 42 
1815 
18 54 
1771 
16 2 
1816 
18 15 
1772 
16 17 
1817 
18 5 
1772 
16 0 
1817 
17 554 
1773 
16 12 
1761 
13 50 
1773 | 
16 16 
1769 
15 25 
16 17 
1770 
15 30 
1773 
16 22 
1771 
15 40 
1773 
16 9 
Drontheim, 
-< 
1772 
16 6 
1773 
16 20 
1773 
16 40 
1774 
16 17 
1774 
16 46 
1774 
16 20 
1775 
16 58 
* 
1774 
16 32 
k. 
1776 
17 30 
