Here’s a look at the cast-bronze doors of the elevators in the Richfield Oil Company building, built in 1929. They were much admired -- and one look at this photo shows why. The beautiful design of these black-and-gold doors captures the roar of the ‘twenties, with an Art Deco splendor that is hard to beat. After the building was demolished in 1969, the doors were put on display in the building that replaced it. “Sabotage at RKO Studio,” a James Murray Mystery, by Christopher Geoffrey McPherson.