Thx to @BoingBoing for featuring the walkalong glider & our book today. Happy flying everyone! http://ow.ly/wlOvC
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@eepybird@BoingBoing You guys could give credit for the designers and Web pages you grabbed this fro. -
@inventor_Artist John Collins/Slater Harrison cited in the comments here. Also cited John/ Tyler MacCready in book http://ow.ly/zsoCp - 1 more reply
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