This photo of Pleasure Dome 501 was taken on January 29, 1951, the day the Pleasure Domes were first introduced to regular service on the Super Chief. Click image for a larger view.
With the delivery of new Pullman-built sleepers after the war, the Santa Fe had upgraded the Super Chief to daily service on Leap Day (February 29), 1948. On January 28, 1951, the Santa Fe added a single dome car to each of its Super Chief trains. Built by Pullman, the domes had flat panes of glass and were mid-way in height between the B&O and Wabash domes.
Cutaway diagram shows the dome, lounges, and Turquoise Room. Click to download a 2-MB PDF of this brochure introducing the Pleasure Dome.