grees in the
direction of North 91 East the needle dipped 25 0.

Upon placing the instrument with the end marked 180 degrees in the
direction of North 92 1/2 East it was vertical.

Upon placing the instrument with the end marked 180 degrees in the
direction of North 95 East the needle shifted on the opposite side to 65
0.

Upon placing the instrument with the end marked 180 degrees in the
direction of South 45 East the needle shifted on the opposite side to 3
40.

Upon placing the instrument with the end marked 180 degrees in the
direction of South 45 West the needle shifted on the opposite side to 3
0.

Upon placing the instrument with the end marked 180 degrees in the
direction North 45 West the needle shifted on the opposite side to 5 30.

The mean of the observation, on placing either end North and South was 3
6 3/4 degrees.

The mean of the observation, on placing either end North-East and
South-West was 3 45.

The mean of the observation, on placing either end South-East and
North-West was 4 35.

1823. February 28 : At Sea : 11 44 South : 10 12 West : 1 25 : South : 17
to 18 West : -.

Upon placing the instrument in the direction of North 45 East the needle
dipped 2 10.

Upon placing the instrument in the direction of North 60 East the needle
dipped 2 50.

Upon placing the instrument in the direction of North 70 East the needle
dipped 4 25.

Upon placing the instrument in the direction of North 80 East the needle
dipped 5 15.

Upon placing the instrument in the direction of North 90 East the needle
dipped 8 15.

Upon placing the instrument in the direction of North 92 East the needle
dipped 14 00.

Upon placing the instrument in the direction of South 60 East the needle
shifted.

Upon placing the instrument in the direction of South 45 East the needle
shifted 2 20.

Upon placing the instrument in the direction of South 45 West the needle
shifted 1 40.

Upon placing the instrument in the direction of North 45 West the needle
shifted 1 00.

Mean when placed at North-East and North-East 1 55.

Mean when placed at North-West and South-East 1 40.

February 28 : At Sea : 11 30 1/2 : 10 20 : 0 45 : South : 17 to 18 West :
-.

February 28 : At Sea : 11 5 1/2 : 10 34 : 0 15 : North : 17 to 18 West :
-.

From the above observations, it would appear that the Magnetic Equator
crosses the meridian of 10 1/2 degrees West, in 11 degrees 12 minutes
South latitude. At the latter observation--w