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 i. assam and khassia hills.

343

End B.

o I

Face to instrument 38 39-0 ' ° '

Mean 0 = 38 35-6
tace reversed ... 38 32-2 __

Mean of the dip = K ~j~ $ = 38 30-0
Dip corrected for error of needle .... 38 30-35

3. Vertical Intensity............. 6-150

4. Total Intensity............... 9-882

No. 2. Tezpur, in Assam.

Latitude North. Longitude East Green. Height.

36° 34' 35" 92° 46' 45" 239 feet.

On alluvial soil, right bank of the Brahmaputra in the vicinity of the circuit
bangalo. See p. 130.

Observer: Hermann.
DECLINATION.

1856, January 25, 8h a.m. local time. Collimator 1; Theodolite 3, Troughton; Chron. 3.

o /

Magnetic meridian........................... 278 33-8

True meridian (see p. 131) ..................... 278 11-3

Declination East .... 0 22-5

INTENSITY.

1. Horizontal Intensity.

A. Vibration.
1856, January 28, 2h 20™ p.m. local time.

[LI m j 17-3 C, 63-1 Fahr.

Magnet vibrated \ ■ •:. , Temp. <',„„-, .„ _ „ ,

( Ll with ring. . ( 17-6 C, 63-7 Fahr.

Chron. if, losing 0s • 2.