The Number 2 Ground Frame at Coombe Junction in Cornwall. The single point lever operates a trap point that prevents a train coming from Moorswater (to the right) from entering the platform without authority.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>