This issue of Scientific American magazine from December 1970 focuses on the topic of Interference Coatings. The publication is written entirely in English and is part of the Science genre. It is a great addition to any collection of Books & Magazines, especially for those interested in the field of science.

The magazine discusses various aspects of Interference Coatings, and the articles within it are informative and engaging. It is a highly sought-after publication that is sure to be of interest to collectors and enthusiasts alike. The December 1970 issue is well-preserved and is an excellent addition to any collection.