British physicist who formulated the Second Law of Thermodynamics and introduced the absolute temperature scale; the Kelvin temperature unit is named for him. ALS signed “Kelvin,” one page both sides, 4.5 x 7, University letterhead, March 23, 1898. Kelvin sends thanks. In part, “Many thanks for your letter telling me details as to the Athenaeum ballot of Monday and for all the trouble you kindly took to help me.” In fine condition, with bisecting horizontal fold and a couple spots of light toning. R&R COA.
