Note 1 — INTRODUCTION.
Reading edition
An account of the experiments above alluded to was given in the Analyse des Travaux de la Classe des Sciences Mathématiques et Physiques de l’Institut Royal de France, pendant l’année 1815, par M. le Chev. Delambre, p. 29, &c. The colours produced by repeated reflexions from plates of silver are those of Elliptical Polarization, and are explained at great length in my paper on that subject, published in the Philosophical Transactions for 1830.