Bristol radial engine--planetary gears galore.This looks more complex than a Swiss watch.
taken from fb/Justin DeMier

Bristol engine

59th Newfoundland Heavy Artillery Regiment gunners in the British Second Army NW Europe 1944 with a captured German heavy gun. My grandfather Francis Marshall is sitting on the barrell. Can someone help me identify the artillery peice there? Thank you.

Newfoundand Gunners with Captured German Gun

British soldiers cautiously moving on in a street of an Italian town.