Manufacture Of Optical Glass And Of Optical Systems: A Wartime Problem, May, 1921 (1921) is a book written by the Ordnance Department. It provides a comprehensive guide to the manufacture of optical glass and optical systems during the First World War, which was a critical issue at that time. The book covers various topics such as the properties of optical glass, the manufacturing process, and the design of optical systems. It also includes detailed instructions on the use of machinery and equipment, as well as the testing and inspection of finished products. The book is an essential resource for anyone interested in the history of optics and the development of optical technology during the early 20th century.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.