 Most of the windows in the house are diamond-paned, either casement or sash windows.Its interiors are richly crafted, with Tiffany glass in the cabinets, and handcrafted stone fireplaces.The house was built in 1916-17 by John McElwain, one of the county's most successful and prosperous farmers, and included all sorts of amenities more typical for Maine's even more elaborate coastal summer houses.