Round stained glass to turn any white wall into a prism with every color in the rainbow . . .. back and forth through time and place.

ca. 1900.
Ca. 1900. American. Originally from a church in Minneapolis, Minnesota. Image @ D C Riggott Inc. Fair use license. via https://www.dcriggott.com/antique-framed-american-floral-round-stained-glass-window
Medallion. Part of the palladian window over the marquee. ca. 1927.
Medallion. Part of the palladian window over the marquee. ca. 1927. American. Made for the Lawndale Theatre, Chicago, Illinois. Maker not known. Theatre designed by William P.Whitney. Image © Urban Remains Chicago. Fair use license. via https://www.urbanremainschicago.com/products/architectural/stained-glass-windows/original-one-of-a-kind-c-1927-vibrantly-colored-american-exte
Ornamental roundel. 1260-70.
Ornamental roundel. 1260-70. Made in Salisbury, England. Pot metal, glass, vitreous paint, and silver stain. Maker not known. Collection of the Metropolitan Museum of Art, New York. In the public domain due to age. via https://www.metmuseum.org/art/collection/search/466355?searchField=All&sortBy=relevance&ao=on

Drawings for stained glass windows with jewel colored light to bathe in for an entire winter if not forever. American. Tiffany Studios and Louis Comfort Tiffany, maker (1848-1933).

"Te Deum" window. 1914.
“Te Deum” window. 1914. Watercolor, gouache, graphite, photograph, and collage on artist board. Collection of the Metropolitan Museum of Art, New York. Cc0 License 1.0. via https://commons.wikimedia.org/wiki/File:Design_for_Te_Deum_window_MET_DP249621.jpg
Stained glass window design. Undated.
Stained glass window design. Undated. Watercolor, gouache, graphite and ink on bristol board. Collection of the Metropolitan Museum of Art, New York. Fair use license. via https://crythebird.com/2013/06/07/tiffanyatthehigh/
Design for a window. Late 19th-early 20th c.
Design for a window. Late 19th-early 20th c. Watercolor, gouache, and graphite on cut white wove paper. Collection of the Metropolitan Museum of Art, New York. Cc0 License 1.0. via https://commons.wikimedia.org/wiki/File:Design_for_a_window_MET_ADA_Tiffany_67-654-105_ATrecto.jpg
Window design. Late 19th-early 20th c.
Window design. Late 19th-early 20th c. Black ink, graphite, watercolor, and gouache on paper. Collection of the Metropolitan Museum, New York. Cc0 License 1.0. https://commons.wikimedia.org/wiki/File:Design_for_window_MET_DP324603.jpg