Panorama of, cognitive spaces used to capture the larger scale. The device of the panorama existed in painting, particularly in murals, as early as 20 A.D., in those found in Pompeii, as a means of generating an immersive 'panoptic' experience of a vista. This novel perspective was quickly conveyed to America by Benjamin Franklin who was present for the first manned balloon flight by the Montgolfier brothers in 1783, and by American born physician, John Jeffries who had joined French aeronaut Jean Pierre Blanchard on flights over England and the first aerial crossing of the English Channel in 1785. In the
Hot air balloon control line that runs to the basket. A parachute vent is opened by pulling on the control line. Once the control line is released, the pressure of the remaining hot air pushes the vent fabric back into place. A parachute vent can be opened briefly while in flight to initiate a rapid descent. (Slower descents are initiated by allowing the air in the balloon to cool naturally.) The vent is pulled open completely to collapse the balloon after landing. An older, and presently less commonly used, style of top vent is called a "Velcro-style" vent. This too is a disk