Mr. Flinders on certain Differences of the magnetic Needle. 187 
firne* 
, 
Latitude. 
Longitude, 
Number of 
compares 
used. 
Number of sets of 
observations taken. 
Place of 
the 
compass. 
Supposed 
true 
vaiiation 
Observed 
variation 
Ship’s 
head. 
Observer. 
801. 
O / 
0 , 
O 
0 / 
1 
AM 
35 5 S 
I 16 28 E 
two 
4 azimuths 
binnacle 
7 
0 W 
5 59 w 
NW b. N 
Commander 
Princess Royal Harbour 
three 
6 — 
on shore 
6 
15 
6 23 
— 
— 
— 
theodolite 
1 — 
— 
6 8 
— 
802. 
5, PM 
34 1 
1 21 20 
one 
2 — 
binnacle 
5 
0 
Q 22 
ESE 
3 , AM 
Goose Islam 
Bay 
one 
2 — 
— 
4 
0 
O 54 
W 
CO 
O 
Os» 
20, AM 
— 
— 
— 
2 — 
— 
_ 
6 8 
E 
802. 
18, PM 
33 37 
124 10 
— 
2 — 
— 
4 
30 
5 44 
NNE 
20, PM 
3 2 3 8 
I2 5 35 
— 
2 — 
— 
7 >5 
E b. N 
21, PM 
3 2 3 ° 
125 48 
— 
2 — 
— 
— 
4 45 
S 
22, EM 
3 2 3 ° 
126 7 
— 
2 — 
— 
4 
15 
6 13 
NE b. E 
23, PM 
3 2 zi 
126 33 
— 
1 amplitude 
— 
4 
0 
4 18 
S b. E 
24, AM 
3 2 5 
128 15 
— 
2 azimuths 
— 
3 
0 
6 4 
E b.N 
26, PM 
3 2 15 
128 15 
three 
6 _ 
— 
- 
3 7 
S b. E 
Lt, Flinders 
50, AM 
3 2 »S 
132 29 
one 
2 — 
— 
0 
3 ° 
1 4 > 
SSE 
Commander 
4, AM 
No. 4, bay 
in island e 
— 
2 — 
— 
0 
>5 
2 23 
Easterly 
5, am 
3 2 39 
*33 55 
— 
1 amplitude 
— 
1 5 6 
E b. S 
6 , AM 
3 2 30 
*33 5 8 
three 
6 azimuths 
— 
_ 
1 0 E 
NW 
Lt. Flinders 
6, PM 
34 3 
135 20 
one 
2 — 
— 
1 
5 E 
1 33 W 
SE b. E 
Commander 
-, PM 
34 5 
*35 24 
— 
1 amplitude 
— 
1 
5 
3 56 E 
SW 
8, AM 
34 5 ° 
*35 32 
three 
6 azimuths 
— 
1 
1 2 
1 12 
S 
Lt. Flinders 
1, PM 
In No. 10, 
bay 
theodolite 
1 — 
on shore 
1 
39 
1 39 
— 
Commander 
5, PM 
— 
— 
one 
2 — 
binnacle 
1 
39 
0 53 
S b. E 
17, PM 
34 I 2 
137 20 
— 
1 amplitude 
— 
2 
>5 
4 3 8 
SW b.S 
Commander 
[8, PM 
34 2 3 
>37 3 6 
one 
2 azimuths 
binnacle 
2 
>5 
0 35 
SE 
si, AM 
35 33 
137 >5 
three 
6 — 
— 
2 
40 E 
1 10 
SEb. S 
53, AM 
Kanguroo 
Island 
two 
4 — 
— 
2 
58 
6 31 
SSW 
16 , AM 
35 10 
*37 4 1 
one 
1 amplitude 
— 
2 
45 
1 49 
NE b. N 
27, AM 
35 2 i 
*37 52 
one 
1 — 
— 
2 
5 ° 
1 49 
SSE 
6, AM 
Kanguroo 
Island 
— 
2 azimuths 
on shore 
2 
5 8 
2 58 
— 
10, AM 
35 47 
>39 >5 
— 
1 amplitude 
binnacle 
3 
0 
5 >> 
W b. S 
11, PM 
35 53 
139 26 
— 
2 azimuths 
— 
3 
0 
0 co 
SE 
13, PM 
3 6 45 
140 s 
— 
2 — 
— 
3 
3 ° 
1 25 
I SEb.S 
16, AM 
37 55 
*39 55 
— 
1 amplitude } 
— 
4 
>5 
2 20 
17, PM 
37 57 
>39 56 
— 
2 azimuths 
— 
4 
>5 
2 2 
NE 
22, AM 
39 3 8 
144 50 
— 
2 — 
— 
7 
45 
II c 2 
wsw 
26, PM 
3 s 35 
144 25 
— 
2 — 
— 
7 
3 ° 
3 4 > 
NE b. E 
— , AM 
3 s 3 8 
>44 35 
— — 
1 amplitude 
7 
3 ° 
6 48 
NE b. N 
>te. All the compasses made use of on board the Investigator were of Walker’s construction, one excepted, 
a was made by Adams, and used only on July 22d, 1801. 
B b 2 
