"in recognition of the service he has rendered to precision measurements in Physics by his discovery of anomalies in nickel steel alloys"

Charles Edouard Guillaume
Button Switzerland
Button born 1861, died 1938
Button CA - Bureau International des Poids et Mesures, Sevres, France
Button AA - Bureau International des Poids et Mesures
Button WA - Bureau International des Poids et Mesures
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