Exceptional Horological Works of Art

Geneva, Oct 19, 2002

LOT 14

Lot of 35 documents, including: - Original drawing by Louis Cottier of the dial of a World Time clock (project for Patek Philippe), along with a photograph of the prototype. - 4 original black and white photos of an enamel World Time clock made by Louis Cottier; the original of which is in the Beyer Museum, Zurich. - 3 original drawings of World Time dials by Louis Cottier, dated 1945. - Original Patent by L. Cottier for movable dial, September 27, 1930. - Original Patent and Demande de brevet by L. Cottier for World Time systems, June 28, 1949. - Demande de brevet by L. Cottier for World Time systems, July 5, 1949. - Original Patent and Demande de brevet by L. Cottier for World Time systems, July 7, 1948. - Original Patent and Demande de brevet by L. Cottier for World Time systems, February 4, 1948. - 2 original drawings by L. Cottier. - 2 exceptional original drawings of a L. Cottier World Time clock (a very similar clock was sold by Antiquorum on April 13, 1997, lot 601) - Text explaining World Time movable dial. - Set of handwritten notecards by L. Cottier, keeping track of his patent submisssions. - Various documents, including articles on horological subjects.