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*The ten-story Chicago office of the Home Insurance Co. of N.Y., designed in 1883 by William Le Baron Jenney, which used wrought-iron beams to the sixth floor, finished off with the then newly invented Bessemer steel beams.
(2 of 2)
*The ten-story Chicago office of the Home Insurance Co. of N.Y., designed in 1883 by William Le Baron Jenney, which used wrought-iron beams to the sixth floor, finished off with the then newly invented Bessemer steel beams.