312 
LITTLEHALES. 
Lat. 33° 56' S. CAPE OF GOOD HOPE. Long. 18° 29' E. 
Year. 
Magnetic 
dip or in¬ 
clination. 
Authority. 
Observer. 
Where recorded. 
1751. 
o 
—43.00 
On the Causes of Phenomenon of Terrestrial 
Magnetism, by Wilde. 
177n 
—44.37 
C. G. Ekeberg. 
Hansteen’s Magnetismus der Erde, Christiania, 
1819. 
1774 
—44.48 
.do. 
Do. 
1775. 
—45.32 
On the Causes of Phenomenon of Terrestrial 
Magnetism, by Wilde. 
1780.. 
—46.77 
... 
Do. 
1792. 
—47.42 
.. 
Do. 
1818. 
—50.67 
.... 
Do. 
1836. 
—52.58 
. 
Do. 
1839. 
—53.10 
... 
Do. 
1841.5 .... 
—53.15 
Observatory. 
Phil. Trans. Royal Society, 1877. 
1842.5 .... 
—53.22 
Do. 
1843.5 .... 
—53.32 
.do. 
Do. 
1844.5 .... 
—53.60 
.do. 
Do. 
1845.5 .. 
—53.53 
.do. 
Do. 
1846.5 .... 
—53.55 
Do. 
1847.5 .... 
—53.68 
Do. 
1848.5 .... 
—53.78 
Do. 
1849.5 .... 
—53,. 87 
.do... 
Do. 
1850.5 
—53.97 
Do. 
1851.5 .... 
—54.03 
.do.......... 
Do. 
1857.0 .... 
—54.60 
Novara Expedition. 
Do. 
1873.9 .... 
—55.93 
H. M. S. Challenger. 
Voyage of H. M* S. Challenger. 
1SSO 
—57.00 
On the Causes of Phenomenon of Terrestrial 
Magnetism, by Wilde. 
1890.1 .... 
—57.25 
E. I). Preston, assistant, 
Coast and Geodetic Survey Report, 1891. 
United States Coast and 
Geodetic Survey. 
