Image ID: SIL-SIL28-093-09
Cite this: Verne, Jules. 1869. Five weeks in a balloon or, Journeys and discoveries in Africa, by three Englishmen., New York : D. Appleton & co.
Supplied Caption: A change in temperature allows the balloon to take off. Again Verne uses the laws of physics to provide for his heroes' salvation.
Original Caption: The balloon, entirely inflated by the rarefaction of the temperature, takes flight, touching the branches as it passes.
