Schlagintweit, Hermann von; Schlagintweit, Adolf; Schlagintweit, Robert von: Results of a scientific mission to India and High Asia: undertaken between the years MDCCCLIV and MDCCCLVIII, by order of the court of directors of the hon. East India Company (Band 1): Astronomical determinations of latitudes and longitudes and magnetic observations: during a scientific mission to India and High Asia (Leipzig, 1861)

group h. delta op the ganges and brahmaputra.

351

DECLINATION.

1855, February 21, lh 10m p.m. local time. Theodolite 3, and Needle Troughton; Chron. 3.

o /

Magnetic meridian............................ 163 46-4

True meridian (see p. 145)....................... 161 25-2

Declination East .... 2 21-2

INTENSITY.
Dip.

1856, February 21, llha.m. local time.
Dip needle: No. 2. Temp.: 25°-2 C, 77°-4 Fahr.
End A.

o /

Face to instrument 30 52-0 , 0 '

,_, , Mean a = 30 55 • 5

Face reversed ... 30 59-0

End B.

o /

Face to instrument 31 5-0

Mean p = 31 6-25
Lace reversed ... 31 7-5 __

Mean of the dip = =31 0-88

Dip corrected for error of needle .... 31 1-23

No. 8. Kulna, in Eastern Bengal.

Latitude North. Longitude East Green. Height.

22° 45' 55" 89° 36' 55" L. a. L. S.

Alluvial soil of the Ganges Delta. See p. 145.

Observer: Hermann.

DECLINATION.

1856, February 24, 12h 30m p.m. local time. Theodolite 3, and Needle Troughton; Chron. 3.

O I

Magnetic meridian............................. 25 23-0

True meridian (see p. 146)............'........... 22 52-6

Declination East .... 2 30-4

INTENSITY.
Dip.

1856, February 24, 12h 30™ p.m. local time.
Dip needle: No. 2. Temp.; 26°-8 C, 80°-2 Fahr.