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Title: Caesium atomic clock, 1955. [Go to resource]
Description: NPL caesium atomic clock of 1955 (less associated electronic equipment) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: atomic clocks Temporal: 1955 Source: Science Museum Creator: National Physical Laboratory (Great Britain) Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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