Dome

Print representing the technical aspects of two types of balloon inflation, shown side by side: gas (on the left) and hot-air (on the right). Above are pictured two balloons filled via the methods below; two aeronauts are in the balloon on the left and one is in the one on the right, perhaps representing the earliest aeronauts.For more information about this item, visit https://archivesspace.mit.edu/repositories/2/digital_objects/515