 | Royal Geographical Society (Great Britain) - 1854
.... . 75" Ditto ditto below ... 83 Mean .... 79=Multiplier. . . 1-098 Correct altitude 2 • 566 ft. When the boiling point at the upper station alone...from 1-47712 (log. of 30 inches) and multiplying by -0006, as the differences in the column of " barometer vary more rapidly than those in the "feet "... | |
 | 1833
...Temperature of air, above, 35* below, 50 Mean 42,5 = multiplier, 1.022 Correct altitude, ft. 5365.5 2. When the boiling point at the upper station alone...the lower the level of the sea or the register of a distant barometer is taken, then the barometrical reading had better be converted into feet by the... | |
 | Edward Charles Frome - 1840 - 200 pages
...air above . . 75° Ditto ditto below . . 83 Mean 79 = Multiplier 1.098 Correct altitude 2566 feet. When the boiling point at the upper station alone...the usual method of subtracting its logarithm from 1.47712 (log. of 30 inches) and multiplying by .0006, as the differences in the column of " barometer... | |
 | Julian R. Jackson - 1841 - 577 pages
...Temperature of the air above 75" Ditto ditto below 83 Mean 79 = Multiplier 1.098 Correct altitude 2.566 feet. When the boiling point at the upper station alone...from 1-47712 (log. of 30 inches) and multiplying by '0006, as the differences in the column of " barometer " vary more rapidly than those in the ''''feet... | |
 | Julian R. Jackson - 1841 - 577 pages
...of the air above 75° Ditto ditto below 83 Mean 79 = Multiplier 1.098 Correct altitude 2.566 feet. When the boiling point at the upper station alone...the usual method of subtracting its logarithm from I "47712 (log. of 30 inches) and multiplying by '0000', as the differences in the column of " barometer... | |
 | Basil Jackson - 1847 - 344 pages
...1-118 50 -037 70 1-079 90 1-121 51 -039 71 1-081 91 1-123 228 TO DETERMINE ALTITUDES BY BOILING WATER. When the boiling point at the upper station alone...the usual method of subtracting its logarithm from 1-4?712 (log. of 30 inches) and multiplying by -0006, as the differences in the column of " barometer"... | |
 | Ralph Smyth, Sir Henry Edward Landor Thuillier - 1851 - 718 pages
...= Multiplier 1-098 Correct altitude 2-566 feet. Mean of Barometer Observations 2-649 Difference 83 When the boiling point at the upper station alone...from 1-47712 (log. of 30 inches) and multiplying by -0006, as the differences in the column of ' Barometer' vary more rapidly than those in the 'feet'... | |
 | Basil Jackson - 1853 - 360 pages
...70 1•079 90 1•121 51 1•039 71 1•081 91 1•123 264 TO DETERMINE ALTITUDES BY BOILING WATER. When the boiling point at the upper station alone...from 1•47712 (log. of 30 inches) and multiplying by '0006, as the differences in the column of " barometer" vary more rapidly than those in the "feet"... | |
 | 1860
...Temperature of the air above 75° Ditto ditto below 83 Mean, 79o = multiplier . 1-098 Correct altitude 2566 When the boiling point at the upper station alone...barometer is taken, then the barometric reading had better he converted into feet, by the usual method of subtracting its logarithm from 1-47712 (log. of 30 inches)... | |
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When the boiling point at the upper station alone is observed, and for the lower the level of the sea, or the register of a distinct barometer is taken, then the barometric reading had better be converted into feet, by the usual method of subtracting... 