layout

Hi, me again. Does anyone know if there were separate rooms for members of staff? I know the officers had their own quarters, but were staff such as people who worked in the boiler room and people that worked in the restaurants kept separate? On the plans for the ship, I saw that there were four...

Does anyone know if there was a specific staff entrance that staff would use instead of passenger entrances? It's such a minor detail but it's been aggravating me. And if so, were there like specific entrances that staff used? One for, say, the officers or the people who worked in the boiler room?