National Institute of Informatics - Digital Silk Road Project
Digital Archive of Toyo Bunko Rare Books
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| 0174 |
Memoir on Maps of Chinese Turkistan and Kansu : vol.1 |
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OCR Text
Date and | Lāl Singh's | Russian | Lāl Singh's | Russian | BAROMETERS REDUCED | DIFFERENCE OF BARO-
time of | Mer. | Mer. | Thermo- | Thermo- | TO 32° F | METERS, THERMOMETERS
observation | Barometer | Barometer | meter | meter | Lāl Singh's | Russian | Russian— | Russian—
| | | | | Barometer | Barometer | Lāl Singh's | Lāl Singh's
| Inches | m. m. | Fahr. | Centd. | Inches | Inches | Inches | Fahr.
6 A.M.
2. 7. 15 | 25·50 | 645·7 | 83° | 24°·7 | 25·37 | 25·31 | −0·06 | −6·5
6 A.M.
3. 7. 15 | 25·42 | 645·5 | 79° | 25°·7 | 25·30 | 25·30 | 0 | −0·7
6 A.M.
4. 7. 15 | 25·54 | 645·6 | 80° | 24°·3 | 25·41 | 25·31 | −0·10 | −4·3
At some stations Lāl Singh observed with all three instruments, and the following table shows the discrepancies which occur in these cases between the height by mercury barometer and aneroid, and between mercury barometer and hypsometer.
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11
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21
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31
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41
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51
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61
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71
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81
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91
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101
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111
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121
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131
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141
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151
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161
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171
172
173
174
175
176
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182
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192
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202
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212
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222
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232
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249
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269
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289
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296
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