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15

(1880-1901) [MARC]
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5 Bodø

5. Bodø

(f = 67’: 17’ 14" I - 14" 24’ 51" E. Greenwich.
I Nærheden af Stranden, noget østenfor den østligste
Landgangsbrygge.

1S77. August 13 observerede Prof. Mohn Sulhojder
samtidig med at jeg .tog ’de magnetiske Observationer1.
Ved de förste fandtes umiddelbart Standen af Kronometret
Frodsham for Stedets sande Tid il’’).

<1 = 67° 17’ 14" I = 14" 24’ 51" E. Greenwich.

Near the shore, a little to the east of the most easterly
landing-pier.

1877. Aug. 13 Professor Mohn observed altitudes
of the sun. whilst I took magnetic observations1. By direct
computation .from the altitudes, lie determined the error
of tlie Frodsham chronometer on apparent local time (1’l.

Deklination. Declination.
1877. August 13.

Ch. e 5’’ 59"’ 5-"5 6" 4" «-’o 6" 1™ 43/75 Magnet I 80" 41/5
„06 i 27.0 6 46.0 4 6.50 _ II 80 13.6

6 2 55- ■ 80 27.55
U’ — o i 57.8

Magnet 260 27.55 — 180°

’ 6 0 57-3 N. P. 272 8.7

a N 84* 4/5 W. Decl. n’ 41.’2 W.

0 188 34.2

N. P. 272 8.7

Horizontal-Intensitet.
1877. Aug. 13.

Svingnings-Observation. Kl. 12.10 Min. til 12.23
Min. Eft.

t„ = 77."6; T0 = 4/9275;. s = 3.’4; a = 76’; ti’ =
25’;.« = 3/4. C. Wille.

Afbøjnings-Observation. Kl. 4.3(1 Min. til 5.30 Min. Eft.
f„ - 72/7; «„ = 32° 46’ 20"; ’u,’ = 14" 6’ 35".
C. Wille.

Resultat: P = 0.02445; m = 0.74020; X = 2.7854.
Inklination.

1877. August 13. Kl. 9.45 Miu. til 11.10 Min.
Form. Naal No. 1. C. Wille.

W = 75° 21/4

Horizontal Intensity.
1877. Aug. 13.
Observation of Vibration: — 12.10 p. 111. to 12.23

p. 111.

t, = 77/6; T„ = 4/9275; s = 3/4; a 76 : a’
25 ; U = 3/4: C. Wille.

Observation of Deflection: — 4.30 p. m. to 5.30 p. 111.
t„ = 72."7; u = 32° 46’ 20"; u0’ = 14" 6’ 35".
C. Wille.

Result: — P = 0.02445; m =0.74020; X = 2.7854.
Inclination.

1877. August 13’: 9.45 a. in. to 11.10 a. 111. Needle
No. 1 C. Wille.

w = 75° 21/4.

6. Tromsø

ff = 69° 39/1 X = 18° 59/3 E. Greenwich.

Ved Stranden, nogle hundrede Skridt nordenfor Bryggen
ved Storstennes, paa Østsiden af Tromsø-Sundet.

Bredde og Længde efter de norske Kystkarter.
Kro-metrets. Frodshams, Stand for Stedets Tid er beregnet
efter dets Stand for Greenwich Tid og Kartets Længde.

1 H. Mohn. Astr. Obs. Side R.

6. Tromsø

f/i = 69° 39/1 l = 18° 59/3 E. Greenwich.

On the beach, a few hundred’ paces north of the
lamling-pier at Storstennes, 011 the east side of Tromsø
Sound.

Latitude and longitude from the coastal charts. Error
ol’ chronometer (Frodsham) on local time computed from
error on Greenwich time and the longitude of the chart.

’ H. Mohn. Astronomical Observations, p. 8.

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