Cool you scored that early engine to mate....Never seen an alloy base pope before,that must be a rare beasty.
Yep, those are indeed rare. Here's what they look like [pics from 'The Old Machinery Magazine' forums]:
![[Linked Image]](https://www.outdoorking-forum.com.au/forum/uploads/usergals/2014/11/full-5630-18865-pope1.jpg)
![[Linked Image]](https://www.outdoorking-forum.com.au/forum/uploads/usergals/2014/11/full-5630-18867-pope2.jpg)
One is visible in the background, in the first pic here:
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=59272 A past thread on the Pope rotary valve models:
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=55231