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JF Ptak Science Books: Atomic- , Solar- and Vacuum-Powered Airport-Laden Dirigibles and Other Wide Ideas of Future Flight
The Vacuum Airship | MrReid.org
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Vacuum Airship Spacecraft_Station design Buoyant Space Station_Artificial Gravity entry-reentry | 3D Warehouse
Why don't we fill an Airship with a Vacuum? - YouTube
Airship Buoyancy Control Using Inflatable Vacuum Chambers | Journal of Aircraft
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