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Timeline for Can a medieval gyroplane be built?

Current License: CC BY-SA 4.0

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Mar 19, 2019 at 22:40 comment added JBH Welcome to Worldbuilding.SE! We're glad you could join us! When you have a moment, please click here to learn more about our culture and take our tour. Normally this would be posted as a comment to the Q for clarification, but you need a couple of more rep points to do that. No problem! Thanks for joining us and we hope you have fun building worlds!
Mar 19, 2019 at 21:15 review Low quality posts
Mar 19, 2019 at 22:40
Mar 19, 2019 at 20:28 history answered Thomas Rigger CC BY-SA 4.0