Example of the first Rolex "Oyster" waterproof wrist-watch of 1926 (without movement), steel case Rolex "Oyster" waterproof wrist-watch 1926
Chapuis, Alfred. Automates. Machines Automatiques et Machinisme (Geneva: Publications Techniques, 1928) 1928
Duplicate of a Rolex Oyster wristwatch of 1960 which remained waterproof at 7 miles depth (without movement). Case back marked "35789 FEET 10908 METRES 21 ROLEX 23.1.60". Copy of Rolex Oyster Wrist Watch, 1960 1960
Electromagnetic Quadrupole used with LEP (Large Electron-Positron) Collider, CERN, 1989-2000. Electromagnetic Quadrupole used with LEP (Large Electron-Positron) Collider 1988-1989
Breathalyser, metal casing, with instructions, by Appareils Electroniques, 12 Rue de Hesse, Geneva, Switzerland, 1960-1965 Breathalyser, metal casing 1960-1965
Prototype superconducting cavity built during construction of the LEP (Large Electron Positron) Accelerator at CERN. Prototype superconducting cavity built during construction of the LEP 1988-1989
Optical comparator used for the rapid checking of items such as gauges to close limits, using a mechanical feeler and an "optical lever". Made by Societe Genevoise d'Instruments de Physique in 1960. Optical comparator used for the rapid checking of items such as gauges to close limits 1960
Enamelled gilt badge of Society of White Cross with blue ribbon from 1st Congress of Repression of Fraudulent Sales of Food and Drugs, made by Durouvenoz of Geneva, Swiss 1850-1930 Enamelled gilt badge of Society of White Cross 1850-1930
Case key for the electric wall clock, by Campiche, Geneva, Switzerland, 1940-1977 Case key for the electric wall clock 1940-1977
Screws for the electric wall clock, by Campiche, Geneva, Switzerland, 1940-1977 Screws for the electric wall clock 1940-1977
Phloxine tetra fu or pu... P. Monnet & Co., Geneva in Switzerland. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900. Dyestuffi 1900-1905