Drawing of a classical oboe.
Nordisk familjebok
Taken from <a href="https://en.wikipedia.org/wiki/en:Wikipedia" class="extiw" title="w:en:Wikipedia">w:en:Wikipedia</a> (Oboe, taken from <a href="https://en.wikipedia.org/wiki/Nordisk_familjebok" class="extiw" title="w:Nordisk familjebok">w:Nordisk familjebok</a> <a rel="nofollow" class="external autonumber" href="http://runeberg.org/nfbt/0229.html">[1]</a>