Project Gutenberg 2012-02-26 Public domain in the USA. 217 Abney, William de Wiveleslie, Sir 1843 1920 Abney, W. de W. (William de Wiveleslie), Sir Abney, Captain 06016073 Colour Measurement and Mixture Produced by Chris Curnow, Hazel Batey and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) "Colour Measurement and Mixture" by Captain W. de W. Abney is a scientific publication written in the late 19th century. The treatise delves into the intricate study of color, specifically focusing on methods for measuring the spectral qualities of light and the scientific principles behind color perception. Through experimental methods and color theory, it aims to provide an advanced understanding of how colors can be quantified and analyzed. The opening of the work sets the stage for a systematic exploration of color measurement, discussing the significance of color in daily life and outlining the goals of the research that inform the subsequent chapters. Abney shares his journey of conducting various experiments related to the color spectrum, emphasizing the importance of controlled conditions for accurate measurement. He introduces the concept of color constants—hue, luminosity, and purity—as essential properties for understanding color, and hints at the complexity of the subject due to the variables involved, such as light quality and the observer's eye. This introduction indicates a thorough and detailed examination of color science that will appeal to readers interested in physics and optical studies. (This is an automatically generated summary.) Reading ease score: 61.4 (8th & 9th grade). Neither easy nor difficult to read. en Color QC Text Browsing: Science - General Category: Science - Physics 386495 2025-06-15T18:17:18.542612 text/html 351717 2021-01-08T14:44:06 text/html; charset=utf-8 1843586 2021-01-08T14:44:06 text/html; charset=utf-8 application/zip 1946989 2025-06-15T18:17:32.123525 application/epub+zip 1950173 2025-06-15T18:17:23.807541 application/epub+zip 172100 2025-06-15T18:17:21.137574 application/epub+zip 1926636 2025-06-15T18:17:37.016460 application/x-mobipocket-ebook 1891447 2025-06-15T18:17:29.885540 application/x-mobipocket-ebook 323975 2022-09-17T17:54:35.347344 application/x-mobipocket-ebook 275768 2025-06-15T18:17:16.811591 text/plain; charset=us-ascii 275533 2021-01-08T14:44:06 text/plain; charset=utf-8 88996 2021-01-08T14:44:06 text/plain; charset=utf-8 application/zip 275063 2021-01-08T14:44:06 text/plain; charset=iso-8859-1 88630 2021-01-08T14:44:06 text/plain; charset=iso-8859-1 application/zip 275203 2021-01-08T14:44:06 text/plain; charset=us-ascii 88565 2021-01-08T14:44:06 text/plain; charset=us-ascii application/zip 22079 2025-06-15T18:17:37.189456 application/rdf+xml 14956 2025-06-15T18:17:21.766577 image/jpeg 3656 2025-06-15T18:17:21.459569 image/jpeg 1940367 2025-06-15T18:17:18.689550 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia