TYNDALL, JOHN. - COINING THE WORD 'CALORESCENCE'.

On Calorescence. Received October 20, - Read November 23, 1865.

(London, Taylor and Francis, 1866). 4to. No wrappers as extracted from "Philosophical Transactions", Vol. 156 - Part I, pp. 1-24, textillustr. a. 1 lithographed plate. Plate with minot brownspots.

First appearance of this mpirtent paper in which Tyndall shows that infrared radiant energy absorbed by matter emissed visible radiant energy. This transformation had not previously been observed. He also coined the word "Calorescence".
These new effects had noting to do with fluorescence.

Order-nr.: 42935