A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 57
n for moisture isnegative. ^18. Determination of Atmospheric Density bymeans of a Barodeik. — From the temperature, pres-sure, and humidity ofthe atmosphere,.the de-termination of whichhas been explainedabove, the density ofair may be calculatedby the data of Tables19 and 20. Whenevergreat accuracy… … Pig. 14. t 19.] MANIPULATION OF A BALANCE. 27 of in § 71. It is important to compare the indicationof the instrument in at least one case with the calcu-lated density of the atmosphere. A reading of thebarodeik should accompany every weighing in whichmore than three figures are to be preserved,…
Physics
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