sentences:  Using White House architect James Hoban's groin vaulted ground floor hall ceilings as a model, McKim installed a similar groin vault ceiling.The surface was articulated with a low relief plaster meander (Greek key) and five-pointed star decoration, and an eagle within a laurel wreath on the east wall above the mantel.McKim commissioned the Boston furniture manufacturer A. H. Davenport and Company to build a somewhat overscaled Federal-style sideboard, china cabinet, and dining table.