Colored etching of Professor Argand launching a hydrogen balloon 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."

ID#:

69754F1BF6322_001

Source:

Smithsonian's National Air and Space Museum

Rights Usage:

Not determined

Terms of Use:

Smithsonian Terms of Use