A pressure gauge in the Titanic Pump House in Belfast, Northern Ireland. The Titanic Pump House is close to the dry dock where the Titanic was built.
Jigsaw puzzle subject image credit: Special thanks to Dimitry B. for making the photograph used for this jigsaw puzzle available through the Creative Commons Attribution license. Visit Dimitry B.'s Flickr photostream.
See all jigsaw puzzles based on Dimitry B.'s photographs.