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Locomotion
National Railway Museum
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Image
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2
Non-Commercial Use
2
Category
Time Measurement
2
Maker
Hewlett Packard Company
1
National Physical Laboratory (Great Britain)
1
On Display
Science Museum
1
Making the Modern World Gallery
1
Object type
atomic clocks
2
Place
England
1
London
1
Richmond upon Thames
1
Teddington
1
Teddington; Greater London; Richmond upon Thames; England
1
Material
aluminium, steel, plastic, glass, electrical components
1
Date
From
To
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Caesium Atomic Clock, 1955.
1955
Hewlett Packard caesium beam frequency standard type 5061A
1972
