""An Experimental Treatise On Optics: Comprehending The Leading Principles Of The Science"" is a book written by John Farrar and published in 1826. The book is an in-depth study of optics, covering the principles of light, reflection, refraction, and color. It is an experimental treatise, which means that it is based on practical experiments and observations rather than just theoretical concepts. The book is divided into several chapters, each covering...