Kaleidoscopic views. Silvered and colored glass. (Courtesy, Colonial Williamsburg Foundation; photo, Hans Lorenz.)

Counterpane, New England, ca. 1825. Cotton and painted and stenciled decoration. H. 92", W. 81". (Courtesy, Abby Aldrich Rockefeller Folk Art Museum, Colonial Williamsburg Foundation, Williamsburg, Virginia.) The design of this counterpane is based on the view into an equilateral kaleidoscope with three mirrors.