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Locomotion
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Locomotion
National Railway Museum
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Non-Commercial Use
2
Category
Optics
2
Object type
component - object
2
constant deviation prism
2
constant deviation prism; component - object
2
Maker
Barr and Stroud Limited
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Europe
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Glasgow
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Glasgow, Scotland, United Kingdom
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Achromatic deviation glass prism from artillary range-finder
1930-1950
Parallel-sided cylindrical glass prism
1930-1950
