Il ,;„ì ,
I !
I' '
1S26.
July.
Sept.
1827
1826.
Dec.
VAllIATÍON of the COMPASS observed on shore.
South Bluff, Es- ?
choltz Bay \
Elephant Point
Off C. Krusenstern.
North side of the )
Sound . )
4 miles north of )
C. ICrusenstern \
do.
N.W.angle ofEs- \
choltz Bay . )
Hut Peak
•\t Spafariefs Bay
do.
Point Garnet
do.
Elephant Point ?
Escholtz Bay )
do.
Entrance ofBuck-)
laud River f
Entrance of Ho-
tham Inlet
Near Cape Deceit
Cape Espenburg
Cape Blossom
On do.
NearC*. Krusenstern
Entrance of Hotham
Inlet
Chamisso Island.
Mosquito Height,
do.
Off Chamisso,
Off do.
North side do.
Sandy Spit, E. side
do.
do. N. side,
do.
On the summit
Mean
Mean of Obs. on 7
Chamisso Island j
do.
do.
On Chamisso
Island
I
Mean
In the Harbour o f
Observatory
do.
31 28 52
30 35 01
30 12 00
30 24 20
30 16 35
31 05 00
29 49 17
30 45 32
32 41 01
32 40 19
28 41 05
28 05 10
31 11 37
31 18 22
32 17 02
29 25 00
30 18 22
.30 12 12
30 58 58
30 26 00
30 41 09
30 21 40
30 48 23
31 25 38
30 20 00
31 17 10
30 52 40
31 08 50
31 04 10
30 58 10
31 17 05
30 18 03
30 57 1
30 27 43
31 13 57
30 65 00
31 57 30
31 30 15
31 31 40
30 48 35
31 13 30
Instrumetit
San Francis
15 30 22 '
15 31 28
used.
Theod.
Gilbert.
Theod.
Ka. No. 1.
Theod.
Ka.No! 2,
Theod.
Ka. No. 1.
Theod.
No. 2.
Gilbert.
Ka.No.l
No. 2.
No. 1
Theod.
Kater's.
Gilbert’»
1826.
Dec.
1827.
1826.
Observatory
Estrecho de Karquines
Estrecho de Kar- ¡
quines . .
do.
St. José
Yerba Buena Cove
Fort
do.
Angel Island
Yerba Buena Island
Punta San Pablo
Punta Aviscdero
Mean
Mean of Lieut. ?
Belcher )
Do. of Lieutenant ?
ainwright )
iiias .
Mean
Isabella . . j
Mazathan . ^
Mean
Acapulco
Mean
Monterey
Lake Station .
6.5« 3 4 'N.
163« 32’ W.
Variation.
E.
15 17 57
15 OI 04
14 42 06
15 36 21
15 34 30
15 20 24
15 28 20
15 9 25
16 21 20
15 45 .50
15 35 30
15 20 JO
15 30 04
15 4 10
15 22 45
26 47 13
26 49 11
27 17 19
26 47 10
26 55 13
10 54 O
11 0 9 ' O
11 06 30
10 43 49
10 24 33
10 04 O
9 32 O
9 48 O
9 52 32
9 25 10
8 48 45
9 6 57
8 26 03
8 49 4
15 21 42
15 53 45
15 37 43
14 13 00
35 48 30
Instrument
used.
No. 2.
Theod.
No. 1.
Theod.
Theod.
Gilbert.
Gilbert’i
Theod.
Kater's.
Gilbert’»
No. 1.
No. 2.
Theod.
No. 1.
VARIATION of the COMPASS observed on shore.
1827.
2 48 35
1 15 10
1 50 10
I 57 58
0 33 27
West.
0 32 30
0 39 05
0 52 53
0 41 29
No. 2.
No. I.
No. 2.
Theod,
Port Lloyd . \
Variation.
E,
0 56 45
0 50 40
1 00 52
1 35 10
0 49 38
1 8 33
Kater’s.
Theod.
'Tlieod.
No. 2.
As th e accuracy of th e p re ced in g observations d epend upon the
correct position o f th e plate, I subjoin some observations th a t we re made
to dete rmine this point a t Kotzebue Sound, where, from th e amount of
th e dip, th e errors, i f any, would natura lly be in
KOTZEBUE SOUND, 1826, Dip 77« 39' N.
P late as it was fixed by observadons a t Spithead.
Ship’s Head.
Variation E .
Ship’s Head.
Variation E.
Plate
attached.
Plate
unattached.
Plate
attached.
Plate
unattached.
North. 31 17 31 17 South. 31 17 31 57
N. 10 E. 31 17 33 17 S. 10 w. 31 47 32 27 N. 20 E. 31 17 34 37 s. 20 W. 32 17 27 07 N. 30 E. 30 57 35 37 S. 30 W. 33 07 26 37 N. 40 E. 31 17 37 47 S. 40 W. 32 57 23 57 N. 50 E. 30 47 39 27 S. 50 W. 32 57 22 17 N. 60 E. 29 17 38 37 S. 60 W. 32 37 20 37 N. 70 E. 29 37 41 17 S. 70 w. 31 37 20 07 N. 80 E. 31 57 44 37 s. 80 W. 31 57 18 17 East. West. 31 57 17 57 S. 80 E. 31 '5 7 44 '37 N. 80 W. 31 17 17 57 S. 70 E. 31 27 42 57 N. 70 W
S. 60 E. 31 57 42 07* N. 60 W. 30 17 20 07 S. 50 E. 31 17 40 57 N. 50 W. 30 17 20 57
S. 40 E. 30 07 38 27 N. 40 W. 30 57 24 17 S. 30 E . • 31 27 38 27 N. 30 W. 29 37 25 17
S. 20 E. 31 17 33 37 N. 20 YV. 32 37 27 17 S. 10 E. 30 57 31 17 N. 10 YV. 31 57 29 37
Mean 31 04 38 11 Mean YV. 31 44 23 56
Mean E . 31 04 38 11
Mean variation 31 24 31 04
Variation from numerous observations (m shore 30 57 OIe