Salmson 9-cylinder 230hp engine for the <a href="//commons.wikimedia.org/wiki/Category:Salmson_2" title="Category:Salmson 2">Japanese Type Otsu 1</a> aircraft (乙式一型偵察機)
<a href="//commons.wikimedia.org/wiki/User:Morio" title="User:Morio">Morio</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>