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0505 Report of a Mission to Yarkund in 1873 : vol.1
Report of a Mission to Yarkund in 1873 : vol.1 / Page 505 (Color Image)

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[Figure] r MAGNETIC OBSERVATIONS. Abstract of results of observations taken by Captain H. Trotter, R. E., for Magnetic Inclination (Dip) and Declination ( Variation ) 1873-74.

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doi: 10.20676/00000196
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( 371 )

OBSERVATIONS.

for Magnetic Inclination (Dip) and Declination (Variation) 1873-74.

Magnetic Dip north.

Magnetic Variation east.

REMARKS.

47 21.5

(Mean of two sets.)

47 22.7

53 8.0

(Mean of two sets.)

54 31.7

52 3.3

  • ,

3 43

3 56

3 51

4 32

4 32

4 53 4 58 4 57 4 55

5   1

5 40

4 20

4 34 4 24 4 12 4 16

From observations to Sun.   (Two sets.)

From observations to Sun and to Polaris.

From observations to Polaris.   ~1 06   ,. W .

Ditto   ditto.   0 q 4   ..... 4 •

Ditto   ditto.   4'   4 °co =

od

Ditto   ditto.:   : kd   :   :

~â .   • CO

Ditto   ditto.   ,. $   AI

Ditto   ditto.   a o   : 4. • c

   ~,   : 0

Ditto   ditto.   Fl g

   ni   a)

Ditto   ditto and to Sun.   (Four sets.)   49 m   Q

W-3 :E~, :ßc2

  •  g    as
    c

From observations to Sun.   a é ô   ô

From observations to ß Ursa Minoris. (Two sets.) r œ . â : : •

From observation to Sun   ditto.   0   .Q,•Q)

-4-a~

Ditto   to Polaris   ditto.   :, O rts o?

Ditto   Ditto   ditto.   E•+

From observation to do. and to ß Ursa Minoris.

Trigonometrical Survey Department). The method of observation was that recommended by General Sabine in the

The needle attached to the instrument was re-magnetized prior to the departure of the expedition from India, and comdisplacement had taken place in the position of its magnetic pole.