Preparing to launch America’s first “ballon-sonde.” Since this first launch, literally millions of weather balloons have been launched by the National Weather Service and its predecessor organization. In: “The Principles of Aerography” by Alexander McAdie, 1917. Page 12.
Photo Category: Instruments - Balloons
Photo Location: Missouri, St. Louis
Photo Date: 1904 September 15
Added On | 19th October 2015 |
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