02429cam a22003373u 4500 14725 UtSlPG 20260610133339.0 m cr n 260607r2005||||utu|||||o|||||||||||||| d UtSlPG en iso639-1 QC Huygens, Christiaan, 1629-1695 Traité de la lumière. English Treatise on light Salt Lake City, UT : Project Gutenberg, 2005 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2005-01-18 E-text prepared by Clare Boothby, Stephen Schulze, and the Project Gutenberg Online Distributed Proofreading Team "Treatise on Light" by Christiaan Huygens is a scientific treatise written in the late 17th century. The work delves into the properties of light, focusing on phenomena like reflection and refraction, and makes significant observations about the unusual behavior of Iceland crystal. Huygens aims to rationalize the behavior of light through principles drawn from both mathematics and experimental evidence, offering explanations that reflect the scientific inquiries of his time. The opening of the treatise introduces the author’s motivation for writing and the context in which his findings were presented, specifically to the Royal Academy of Science in France. Huygens describes the foundation of his work as based on both logical deductions and empirical observations, expressing a desire to clarify misconceptions about light propagation. He discusses the perception of light as a movement of ethereal matter, critiques previous theories, and lays the groundwork for exploring the principles of light's straight-line propagation, reflection, and refraction, ultimately leading to a detailed investigation of the unique properties observed in Iceland crystal. The discussion sets the stage for the treatise's exploration of optical phenomena and the pursuit of scientific truth. (This is an automatically generated summary.) Original publication data not identified Wave theory of light Refraction, Double Thompson, Silvanus P. (Silvanus Phillips), 1851-1916 https://www.gutenberg.org/ebooks/14725 56113 56113