Southern Tibet : vol.2 / 400 ページ（カラー画像）

0400	Southern Tibet : vol.2
南チベット : vol.2

0400

Southern Tibet : vol.2

南チベット : vol.2

The Nyang-chu had been better mapped by Turner, 80 years earlier, and
the Ki-chu was on d'Anville's map called Kaltiou R., and much improved by
Nain Sing. ¹

Desideri's precious manuscript was not yet known. But the Ta-ch'ing map
existed. The main Tsangpo and everyone of its tributaries were mapped. The
sources of the Brahmaputra were incomparably better surveyed by the Chinese than
by the Pundit. So far as the course of the Tsangpo is concerned everything was
known before and the Pundit made only a few discoveries of snowy mountains to
the north, which are hardly possible to identify from any earlier map. He travelled
in the easiest and most comfortable part of Tibet, along the tasam which was, of
course, the first and most important line already for the Chinese surveyors to follow.
And still the Pundit's merit is enormous, as the Chinese statements had to be con-
trolled and all geographical co-ordinates fixed. Thus his journey always remains,
from a geographical point of view, an epoch. The next step should be a complete
exactness and precision, carried out by triangulation and with that task Ryder's and
his comrades' names are for ever associated.

But in order to make real geographical discoveries Nain Sing had to direct his
attention further north as he did on his great journey between Leh and Lhasa. In
the whole interior, north of the Tsangpo, only a few lakes and one or two rivers of
the Chinese map may be identified, although the situation is here erroneous. As to
the mountains they are completely useless all over the Chinese map. But the highest
class of fresh discovery was only to be made in those parts of northern Tibet where
Prshevalskiy, A-K-, Bower, Wellby, Littledale, Bonvalot and myself have
travelled, for those parts were left blank on the Chinese and all other maps.

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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 『東洋文庫所蔵』貴重書デジタルアーカイブ

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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
『東洋文庫所蔵』貴重書デジタルアーカイブ