118 Tables c^the Variation of the Magnetic Needle 
Tab. IV. — Continued, 
Year of 
Magne- 
Year of 
Magne- 
Names of Places. 
Observa- 
tic Va- 
Names of Places. 
Observa- 
tic Va- 
tion. 
riation. 
tion. 
riation. 
Aug. 16. 
21° O'W. 
1 
r 
1792 
22°45'W. 
Sept. 19. 
20 45 
1793 
22 49 
21. 
20 50 
1798 
22 17 
22. 
20 42 
1799| 
22 49 
23. 
20 46 
22 0 
Dec. 19. 
20 56 
1800 
22 12 
1781 
20 47 
1801 
22 1 
Jan. 27. 
20 40 
1802 
21 45 
Mar. 7. 
20 47 
Paris, 
1802 
22 3 
April 1. 
20 59 
1 
1802 
21 45 
17. 
20 50 
1803 
21 59 
May 8. 
20 51 
1804 
22 5 
12.&29. 
20 51 
1804 
22 15 
June 23. 
20 57 - 
1807 
22 34 
Oct. 8. 
21 3 
1814 
22 34 . 
Paris, 
1782 
21 1 
1816 
22 25 
June 28. 
21 16 
1817 
22 17 
July 4. 
21 12 
1818 
22 21,6 
1783 
21 12 
1819 
22 29 
June 23. 
21 22 
Roy an, 
1680 
1 20 
Aug. 5. 
21 27 
Toulon, 
1682 
3 45 
1784 
21 27 
1747 
15 10 
Feb. 29. 
21 24 
1748 
15 0 
1785 
21 35 
1749 
15 10 
1786 
21 37 
1750 
16 5 
June 21. 
1789 
21 27 
21 56 
Toulouse, 
1 
1751 
1752 
16 0 
15 45 
1790 
22 0 
1753 
16 45 
1790 
21 52 
1754 
16 40 
1791 
22 2 
17.55 
15 0 
1791 
22 4 
1756 
15 45 
Table V. Containing the Variation the Needle,^ as observed 
in Great Britain and Ireland. 
Year of 
Magne- 
Year of 
Magne- 
Names of Places. 
Observa- 
tic Va- 
Names of Places. 
Observa- 
tic Va- 
tion. 
riation. 
tion. 
riation. 
Bristol, - 1 
1666 
1°2PW. 
{ 
1745 
18° O'W. 
1667 
1 33 
1751 
19 0 
1813 
24 22 17 
1772 
23 30 
1814 
24 22 48 
Dublin, 
- 
1786 
26 21 
1815 
24 27 18 
1788 
26 50 
1817 
24 42 14 
1790 
27 15 
Bushey Heath, - 
1818 
24 45 11 
1791 
27 23 
1819 
24 41 41 
f 
1804 
26 30 
1820 
24 39 16 
Edin- 
burgh, ^ 
1 Oct. 29. 
/ 1808 * 
27 31 49'' 
1820 
24 86 34 
^ Nov. 3. 
t 1809 « 
27 S5 10 
1822 
24 35 26 
> Sept. 29. 
j 1812* 
28 8 
^ July 9. 
( 1823 ti 
27 48 
•"According to Mr James Jardine’s observations. 
•f According to Professor Wallace's ol)servations. 
