Author: ROGERS, G. SHERBURNE (PH. D. )
Title: Helium, the New Balloon Gas
Description: Washington D. C.: National Geographic, 1919. Magazine. B&W Photographs; This is a DISBOUND article from National Geographic Magazine. This is an eight page article with text on both verso & rectos of each page. Included are 11 black & white photographs. Text pages are clean, bright and without chips, tears, discoloration or wear. They do, however, have the necessary staple holes where staples were removed. This article is a wonderful look at one of the revolutionary uses for a non-flamable gas--and shows some nifty photographs of what happened when Hydrogen Gas was used for airships. Overall, a very good copy. Includes photographs by Division of Military Aeronautics, U. S. Naval Air Service, U.S. Naval Observatory, Huddleston Studio,and the U. S. Geological Survey.. Very Good .

Keywords: Science gasses noble gasses inert gasses Hydrogen Helium The Periodic Table Airships


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