Health Chair, designed by Hermann A. Sperlich, around 1938, manufactured by Ironite Inc., USA, steel bands, sheet iron, laminated wood, lacquered in white, height 68 cm, width 43 cm, depth 50 cm, height of seat 45 cm. Bibl.: A. Drechsler, G. Daniel, In Production to 20th Century, Design from the Collection of the Museum of Modern Art, New York, 1959, p. 60.