These Dining Cars meant one extra rake, as also a Kitchen Car & Pantry Car. Trains that were vestibule type had a Dining Car (along with the mandatory Kitchen & Pantry Car) and passengers used to be allocated a half hour slot for their meal. You'd then go and have a proper sit-down dinner as in a restaurant! Other than meal times, the Dining Car could be used as a restaurant where you could go and order snacks and beverages that would be served at table, by liveried butlers! *sigh* We have come a long way! And, alas, too many believe it is all for the better!