Rockefeller Center. RCA Building, view looking east along Brangwyn murals in main hall.

Rockefeller Center. Workmen cementing up Bronwyn murals in hall [of the] RCA Building.

Rockefeller Center. RCA Building, [diamond]-shaped part of stairs from main hall.

Rockefeller Center. RCA Building, "S" shaped part of stairs from main hall.

30 Rockefeller Plaza. GE Building. Interior, mural painting in main hallway by Frank Brangwyn

30 Rockefeller Plaza. GE Building. Interior, mural painting in main hallway by Frank Brangwyn

Rockefeller Center, RCA Building under construction.

Rockefeller Center. RCA Building. Construction view, upper stories

City view looking north toward Central Park with Rockefeller Center, RCA Building under construction

[Rockefeller Center. RCA Building. Interior, stairwell.]

City view looking north toward Central Park with Rockefeller Center, RCA Building under construction

[Rockefeller Center. RCA Building. Interior, stairwell.]

City view looking north toward Central Park with Rockefeller Center, RCA Building under construction

[Prometheus sculpture and the RCA Building in Rockefeller Center.]

City view looking north toward Central Park with Rockefeller Center, RCA Building under construction

City view looking north toward Central Park with Rockefeller Center, RCA Building under construction

[30 Rockefeller Plaza. GE Building. Interior, mural painting by Frank Brangwyn, "Man's Conquest of the Material World".]

30 Rockefeller Plaza. GE Building. Interior, basement looking southwest along south hall at barbershop

Rockefeller Center. Model of RCA Building by Owen H. Ramsburg.

Rockefeller Center. Model of RCA Building by Owen H. Ramsburg.