Marking: Inscribed (on base, at center): Jenaer Glas / Tefla [around circle within pentagon]
Barry J. Friedman and Patricia Pastor, New York (until 1983; their gift to MMA)
New York. The Metropolitan Museum of Art. "A Century of Design, Part ll: 1925-1950," May 9–October 29, 2000, no catalogue.
Huguette Le Bot. Du Bauhaus à l'industrie: Wilhelm Wagenfeld, objects quotidiens. Exh. cat., Centre national d'art et de culture Georges Pompidou. Paris, 1975, ill. pp. 29, 103 (various pieces from this series, including diagrams).
R. Craig Miller. Modern Design in The Metropolitan Museum of Art 1890–1990. New York, 1990, ill. pp. 124–25 (color).