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Locomotion
National Railway Museum
National Science and Media Museum
Science and Industry Museum
Science and Innovation Park
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Locomotion
National Railway Museum
National Science and Media Museum
Science and Industry Museum
Science and Innovation Park
Science Museum
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Non-Commercial Use
1
Category
Electronic Components
1
Maker
GEC Hirst Research Centre
1
Object type
semi-conductors
1
Place
United Kingdom
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United Kingdom; United States
1
United States
1
Material
metals, plastic,
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Date
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competitors products
circa 1950