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Category
Time Measurement
2
On Display
Science Museum
1
Making the Modern World Gallery
1
Object type
atomic clocks
2
Maker
Hewlett Packard Company
1
National Physical Laboratory (Great Britain)
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Place of origin
England
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London
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Richmond upon Thames
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Teddington
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Teddington; Greater London; Richmond upon Thames; England
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Caesium Atomic Clock, 1955.
1955
Hewlett Packard caesium beam frequency standard type 5061A
1972
