Budd dome cars could not be used on railways in the east because clearances in tunnels were lower. So Pullman-Standard built Strata-Domes for the Baltimore and Ohio and Budd built them for the Chesapeake and Ohio. They had a lower profile and a different contour than Budd's standard domes. They also included spotlights on the roof for night time viewing.
Diesel locomotives brought colourful change to railways. Unfortunately as cost-cutting began in the 60s, colourful paint schemes were expensive to apply and diesels became more sombre in solid darker colours.
The difference between eating and dining.