This hardcover book is a valuable resource for anyone interested in optical engineering. Written by Dr. J. A. Mauro and published by General Electric in 1966, it covers a range of topics in the field. The book is written in English and is categorized under Books & Magazines, Textbooks, Education & Reference, and Textbooks. It is a must-have for anyone interested in the subject area of engineering, light, and optics. The book is made in the United States and is an excellent addition to any collection of textbooks.