<p>Pictures from RAF Museum, Hendon
</p>
AgustaWestland Heliliner , the civil aviation version of the Merlin helicopter
<a href="//commons.wikimedia.org/wiki/User:The_Land" title="User:The Land">User:The Land</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>