Flatiron Building, New York, 1902

Typical floor plan in 1903.
The Flatiron Building, originally the Fuller Building, is a triangular 22-story, 86.9 meters-tall steel-framed landmarked building located at 175 Fifth Avenue in the Flatiron District neighborhood of the borough of Manhattan, New York City. Designed by Daniel Burnham and Frederick Dinkelberg, it was one of the tallest buildings in the city upon its 1902 completion.