They have uncovered original wooden paneling in the lobby's rotunda.
This allowed the developers of the site to rip out the building's interior, including the original paneling and beauty first seen in 1912.
The walls have the original knotty-pine paneling from 1973, and hallways feature exposed pipes.
There are five historic interiors, including that of a London drawing room of the late 1740's with the original paneling.
The interior has some original paneling and trim, particular around the fireplaces in the main block.
Much of the original paneling survived in these ground floor rooms, except that it had been reversed to permit the display of paintings.
But some original paneling remained, and this was duplicated throughout the room.
In one bedroom, the original paneling still exists, a linen scroll design.
Three corner fireplaces - one in the entrance foyer - sit inside the empty house with the original vertical beaded paneling.
The sitting room has original oak "raised and fielded" paneling.