Seticon prospectus cover
Prospectus cover for Secticon, 1960-61. Le Porte-Échappement Universel S. A., La Chaux-de-Fonds, Switzerland.
Cover of a prospectus for Secticon clocks, 1960-61. http://www.eyemagazine.com/feature/article/the-enigma-of-therese-moll
