JOSEF HOFFMANN, FOR THE WIENER WERKSTTTE, KARL KALLERT, SILVERSMITH, CIRCA 1903-1904

cf. Anton Jaumann, "Von Primitiven in Der Angewandte Kunst" in Deutsche Kunst und Dekoration (Vols. 15-16), October 1904-March 1905, p. 551 for an illustration of the clock model. See Hessisches Landesmuseum Darmstadt, Ein Dokument Deutscher Kunst 1901-1976 (Vol. 2), 1976, p. 141, fig. 244; Waltraud Neuwirth, Wiener Werksttte: Avantgarde, Art Dco, Industrial Design, 1984, p. 45, fig. 17; Traum und Wirklichkeit Wien 1870-1930, 1985, p. 360, cat. no. 13/2/36 for illustrations of the model. See also Daniele Baroni and Antonio D'Auria, Josef Hoffmann e la Wiener Werksttte, 1981, p. 92 for three perspective drawings of the model and p. 93 for an illustration of the clock.