line art drawing of an <a href="https://en.wikipedia.org/wiki/aileron" class="extiw" title="en:aileron">aileron</a> on a wing, without labels, cleaned up by <a href="//commons.wikimedia.org/wiki/User:Micze" title="User:Micze">Micze</a>
<a href="https://en.wikipedia.org/wiki/Pearson_Scott_Foresman" class="extiw" title="en:Pearson Scott Foresman">Pearson Scott Foresman</a>
Archives of <a href="https://en.wikipedia.org/wiki/Pearson_Scott_Foresman" class="extiw" title="en:Pearson Scott Foresman">Pearson Scott Foresman</a>, donated to the <a href="https://en.wikipedia.org/wiki/Wikimedia_Foundation" class="extiw" title="en:Wikimedia Foundation">Wikimedia Foundation</a>