Note 224 — CXI. Some Observations on the History of the Norfolk Boy. By J. Wall, M. D. In a Letter to the Rev. Charles Lyttelton, LL.D. Dean of Exeter.
Reading edition
All oils dry more readily after they have been boiled; by which the superfluous aqueous parts are carried off. Drying oils are also made by the addition of such substances, as absorb humidities.