BAROMETRICAL TABLES. 



Reduction of the barometer to standard temperature — ■ 



English measures Table 46 



Metric measures Table 47 



Reduction of the mercurial barometer to standard gravity. 



Direct reduction from local to standard gravity .... Table 48 



Reduction through variation with latitude — 



English measures Table 49 



Metric measures Table 50 



Determination of heights by the barometer. English measures. 



Values of 60368 (1 + 0.0010195 X 36) log _„ .... Table 51 



B 



Term for temperature Table 52 



Correction for gravity and weight of mercury Table 53 



Correction for average degree of humidity Table 54 



Correction for the variation of gravity with altitude . . Table 55 



Determination of heights by the barometer — Metric and dynamic measures. 



760 



Values of 18400 log -=- Table 56 



Values for 18400 log — —^ Table 57 



Temperature correction factor Table 58 



Temperature correction (0.00367 6 X Z) Table 59 



Correction for humidity Table 60 



Correction for humidity. Auxiliary to Table 58 ... . Table 61 



Correction for gravity and weight of mercury Table 62 



Correction for the variation of gravity with altitude . . Table 63 



Difference of height corresponding to a change of 0.1 inch in the 



barometer — English measures Table 64 



Difference of height corresponding to a change of 1 millimeter 



in the barometer — Metric measures Table 65 



Determination of heights by the barometer. 



Formula of Babinet Table 66 



Barometric pressures corresponding to the temperature of the 

 boiling point of water — 



English measures Table 67 



Metric measures Table 68 



