Main Staircase Detail Elizabeth Plankinton House, Milwaukee Wisconsin Tweet Do you have an update on the current status of this structure? Please tell us about it in the comments below. First floor main staircase oak balustrade panel with corkscrew sunburst Detail of oak balustrade panel with corkscrew sunburst Detail of the brass plate on the inside of the front door NORTHEAST VIEW OF FIRST FLOOR MAIN STAIRCASE FRAMED BY SOUTH PARLOR ENTRANCE