BOEING 747-400 NORTHWEST AIRLINES SEATING CHART | Boeing 747 400, Northwest airlines, Boeing
File:Boeing 747-300.svg - Wikimedia Commons
Boeing 747 - Economy seats in 1970, it seems to me that over time, there have been changes, and not for the better, and here, I repeat myself, but at that time,
File:Boeing 747-400D (Japan Airlines).svg - Wikipedia