Excerpt from Energy Transfer in Hot Gases: Proceedings of the Nbs Semicentennial Symposium on Energy Transfer in Hot Gases Held at the Nbs on September 17 and 18, 1951 Infrared emissivity of diatomic gases, by S. S. Penner__ Infrared spectra of thermally excited gases, by Richard H. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.