Colored etching of Professor Argand launching of a hydrogen in the presence of King George III, Queen Charlotte, and the Royal Family in Windsor Park. On this occasion the King made a royal speech, short, true, and to the point. He said, "See, it goes." Publication information printed below title is illegible. Created by Vanessa Nagengast Date Created 03/27/2015 Source National Air and Space Museum, Smithsonian Institution. Keywords Art Rights and Restrictions Not determined
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