Example of the first Rolex "Oyster" waterproof wrist-watch of 1926 (without movement), steel case Rolex "Oyster" waterproof wrist-watch 1926
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
Chapuis, Alfred. Automates. Machines Automatiques et Machinisme (Geneva: Publications Techniques, 1928) 1928
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
Notes taken by Professor John Ellis, CERN theoretical physicist, at CERN's 4th July 2012 announcement regarding the discovery of a particle consistent with the Higgs boson. Notes on discovery of Higgs Boson particle 4 July 2012