Battleship Turbo Generators
Oh dear. At 1:10 "You don't want that steam out in the air, so you keep it in an armored box" he says, pointing to the gray metal casing of the generator and its cooling air ducts. Ignoring the white insulated steam pipes and turbine casing in the foreground.
Curator he may be, but he doesn't know the difference between a turbine and a generator.
(And I'm speaking as someone who spent a year working as an electrician on a refit of two Australian navy ships, the Tobruk and Manoora.)
Still, an interesting channel.