These drawings are awesome 
I love old engineers drawing style 
The world’s most amazing engineering achievements all start with a technical drawing. Have you ever invented something revolutionary? #ArianeGroup #DaVinci #Invention #rocketpic.twitter.com/i47icbrq3r
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Thanks Auré!
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Would make nice posters
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We'll ask the shop team!
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I once made a drawing of an 'EMGAS' Or "Electromagnetic gravity assist system" Consisting of "Psyche" like (Iron-heavy) asteroids polarized by Reactor Power to assist in Deep Space Missions. Unfortunately I don't know what happend to the drawing; but the idea remains.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Yeah...
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Well, I'm working hard on never-ending weekends ... ^^
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Good luck with that!
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