[NBC studio's battery room.]

[Man at a desk of equipment at NBC studios.]

30 Rockefeller Plaza. RCA Building. Interior, NBC's largest studio in battery room looking along top of cells

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.

30 Rockefeller Plaza. RCA Building. Interior, NBC Studios

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio. Special radio broadcast for photographers. Sign for NBC's radio show "Eno Crime Clues". ]

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour

Sound demonstration room for tourists

30 Rockefeller Plaza. GE Building. Interior, NBC studio. City Services Program, Jessica Dragonette & Bourdon Orchestra

30 Rockefeller Plaza. NBC studio. Interior, large entrance doors to show lead work

Sound demonstration room for tourists

Sound demonstration room for tourists