sentences:  The museum is housed in what was originally the old Bourbon workshop Officine di Pietrarsa, founded in 1840 at the command of Ferdinand II of Bourbon where steam machines for ships and boilers for locomotives were built.The workshop was organized in pavilions (where the collection is today displayed) which housed the various departments, each specializing in a different part of the production cycle.In 1830, Ferdinand became king of the Kingdom of the two Sicilies.