Oboe reed, comparison of European(centre) and American (bottom right) manufacture (legend in French)
<a class="external text" href="https://de.wikipedia.org/wiki/Benutzer:Avencio">User:Avencio</a>, Editor: <a href="//commons.wikimedia.org/wiki/User:Gisbert_K" title="User:Gisbert K">User:Gisbert K</a>
2022-03-04
<a href="//commons.wikimedia.org/wiki/User:Gisbert_K" title="User:Gisbert K">User:Gisbert K</a>