La Farge's stained-glass windows reflect the Gilded Age fascination with medieval art and craftsmanship. The industrial revolution had made inexpensive, mass-produced glass available to anyone, but art glass remained an emblem of wealth and good taste. These windows were commissioned by Frederick Lothrop Ames, a railroad magnate who had them installed in the vast, baronial hall of his Boston house.
Best to view in "Original" because other versions resized by Pbase are decidedly unsharp.
The Dewing Piano, posted earlier: