Few cultural phenomena captured the popular imagination of late eighteenth-century Britain more intensely than the rage for air ballooning, or the “balloonomania” as critics sometimes called it. “The term balloon is not only in the mouth of every one, but all our world seems to be in the clouds,” declared a 1785 book titled London Unmask’d (137). The excitement had begun in France when the Montgolfier brothers launched the first human flight in front of the Royal Family and 100,000 spectators, on October 15, 1783. The first flight in England, by Vincento Lunardi the following September, attracted an estimated 150,000 spectators. The Morning Post reported that “St.