Published online by Cambridge University Press: 15 September 2014
As this paper consists almost wholly of formulæ, calculations, and tables, it is not suited for being read to a meeting; and therefore the following short abstract of its contents is alone offered for the purpose of being read aloud :—
In the “Edinburgh Philosophical Journal” for July 1849, the author proposed the following formula forthe pressure of saturated vapour corresponding to a given boiling point:—
where t is the absolute temperature, reckoned from the absolute zero; and A, B, and C are three specific constants, to be determined from at least three experiments on each substance; and he showed that the results of that formula agreed better with experiment than those of any other formula containing three constants only.