group i. assam and khassia hills.
131
Refraction........... — 056
Parallax . . . .•........ -j- 0 6
Semidiameter ......... -j- 16 18
Sum of Corr..... -f 15 28
o /
True Altitude of Sun's Centre at Culmination, calculated ... = 44 16-4
Declination = 5........................... = — 19 9-0
Latitude N...............................= 26 34-6
Latitude N. (Thuill. App.) . . . 26° 36' 45".
Time.
n m 8
Apparent Noon, deduced from obs. 2 and 3, and 3 and 4 = 2 1 22
Equation of Time.......................= -J- 12 28
Mean Noon........................... 1 48 54
Longitude.
The adopted longitude, as given above, is taken from Thuill. App.
Meridian.
From observations of the Sun ..... 278° 11'-3.
No. 3. Udelguei, in Assam.
Situated at the southern end of the road from Lhassa to Assam, via Tauong
and Narigun, through the country of the wandering Kampo-Bhutias, it is an important
trading station, with extensive bazars much used at periodical fairs.
The instruments were put up near a government house, constructed of bambu
and cane, in charge of the daroga of the place.
Geographical Co-ordinates.
Latitude North. Longitude East Green. Height.
26° 45' 40" 91° 56' 30" 352 feet.
Observations: 1856, January 2.
Instruments: Theodolite 3, Troughton; Chron. 3; Barom. 1, Greiner. Observer: Hermann.
Latitude and Time.
1856, January 2. Horizontal Circle. Vertical Circle.
A. M.
Sun, Centre.
11 m s Olll Olll
1) 2 26 29 306 33 20 20 32 20
2) 2 41 52 309 12 30 23 1 55
17*
131
Refraction........... — 056
Parallax . . . .•........ -j- 0 6
Semidiameter ......... -j- 16 18
Sum of Corr..... -f 15 28
o /
True Altitude of Sun's Centre at Culmination, calculated ... = 44 16-4
Declination = 5........................... = — 19 9-0
Latitude N...............................= 26 34-6
Latitude N. (Thuill. App.) . . . 26° 36' 45".
Time.
n m 8
Apparent Noon, deduced from obs. 2 and 3, and 3 and 4 = 2 1 22
Equation of Time.......................= -J- 12 28
Mean Noon........................... 1 48 54
Longitude.
The adopted longitude, as given above, is taken from Thuill. App.
Meridian.
From observations of the Sun ..... 278° 11'-3.
No. 3. Udelguei, in Assam.
Situated at the southern end of the road from Lhassa to Assam, via Tauong
and Narigun, through the country of the wandering Kampo-Bhutias, it is an important
trading station, with extensive bazars much used at periodical fairs.
The instruments were put up near a government house, constructed of bambu
and cane, in charge of the daroga of the place.
Geographical Co-ordinates.
Latitude North. Longitude East Green. Height.
26° 45' 40" 91° 56' 30" 352 feet.
Observations: 1856, January 2.
Instruments: Theodolite 3, Troughton; Chron. 3; Barom. 1, Greiner. Observer: Hermann.
Latitude and Time.
1856, January 2. Horizontal Circle. Vertical Circle.
A. M.
Sun, Centre.
11 m s Olll Olll
1) 2 26 29 306 33 20 20 32 20
2) 2 41 52 309 12 30 23 1 55
17*