IIIFカラー高解像度
国立情報学研究所 - ディジタル・シルクロード・プロジェクト
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| IIIFカラー高解像度 |
| Report of a Mission to Yarkund in 1873 : vol.1 | |
| 1873年ヤルカンド派遣報告 : vol.1 |
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| 地磁気観測. H.トロッター大尉、工兵隊、により行われた磁気縞（伏角）及び磁気偏向（偏差）の観測結果の抜粋 1873-74年.MAGNETIC OBSERVATIONS. Abstract of results of observations taken by Captain H. Trotter, R. E., for Magnetic Inclination (Dip) and Declination ( Variation ) 1873-74. |
引用情報
( 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
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.
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