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 Project Gutenberg 2020-08-13 Public domain in the USA. 390 Levy, Stanley Isaac Levy, Stanley I. Levy, S. I. The Rare Earths: Their Occurrence, Chemistry, and Technology Produced by deaurider, Harry Lamé and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) "The Rare Earths: Their Occurrence, Chemistry, and Technology" by Stanley Isaac Levy is a scientific publication written in the early 20th century. This work delves into the rare earth elements, exploring their natural occurrences, chemical properties, and technological applications, with a focus on advancements in industries such as incandescent lighting. At the start of the text, the author outlines the historical significance of rare earth elements, mentioning how Dr. Auer von Welsbach's application of rare earths revolutionized the incandescent mantle industry in 1885. The opening chapters present the evolution of knowledge surrounding these elements, tracking their classification, occurrences in minerals, and initial scientific investigations. Levy emphasizes the progress made over the prior thirty years, highlighting the complexities of classifying rare earths and the necessity of improved access to relevant literature for both educators and students in the field. This groundwork sets the stage for a detailed exploration of the chemistry, production, and various applications of these minerals in modern technology. (This is an automatically generated summary.) Reading ease score: 52.0 (10th to 12th grade). Somewhat difficult to read. en Rare earths QD Text Category: Science - Chemistry/Biochemistry Category: Engineering & Technology 1054176 2025-09-25T05:30:41.392512 text/html 1003273 2024-10-18T05:10:35 text/html 1037710 2025-09-25T05:31:06.870859 application/epub+zip 1057084 2025-09-25T05:30:48.129516 application/epub+zip 404104 2025-09-25T05:30:43.346487 application/epub+zip 2934767 2025-09-25T05:31:16.839833 application/x-mobipocket-ebook 2850312 2025-09-25T05:31:01.902925 application/x-mobipocket-ebook 683927 2022-09-28T11:14:59.850677 application/x-mobipocket-ebook 768492 2025-09-25T05:30:38.249494 text/plain; charset=us-ascii 748480 2024-10-18T05:10:35 text/plain; charset=us-ascii 15785 2025-09-25T05:31:17.018837 application/rdf+xml 11309 2025-09-25T05:30:43.612486 image/jpeg 1716 2025-09-25T05:30:43.481450 image/jpeg 987533 2025-09-25T05:30:41.477497 application/octet-stream application/zip