Illustration from 1877 edition of Jules Verne’s novel “Off On A Comet” (Fr. title “Hector Servadac”). It’s a strange story in which a comet crashes through the Earth and carries away part of the Mediterranean and surrounding land, plus a few people. They ride the comet for two years until its orbit takes them back by the Earth, at which point they contrive to escape the comet and return home.
In the chapter of this illustration, Hector Servadac and his servant, not yet aware that they’re riding on a comet, discover that they can jump very high because of a loss of gravity.