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The Edge of Space
and
The End of Time
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SunGraph Calendar
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Leg Power Ornithopter
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h2o2 Power Ornithopter (1972 version)
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Hang Glider
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MAM Designs
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Bumper Stickers
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Project Falcon The Falcon 12a
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Kite-Sailplane
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Schooner Rigged Racing Trimaran
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Geodesic Shelter
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Telescope Optics
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Dick Cheney Cartoon
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My Flexagon
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