Twitter 上的Titanic: Honor and Glory:"Why have one Boiler Room when you can have two? In the eventual 1.5 version of Demo 401, Boiler Room 5 will be featured from the stokeholds
The History Press | Down amongst Titanic's 'Black Gang'
Titanic History/Why didnt Titanic Boilers explode during the sinking? Reupload - YouTube