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Locomotion
National Railway Museum
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Locomotion
National Railway Museum
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Image
Has Image
3
Non-Commercial Use
3
Category
Optics
3
Collection
Sir Henry Wellcome's Museum Collection
1
Maker
Laurent, Léon
1
Léon Laurent
1
Object type
iceland spar
3
iceland spar; polarizer
2
polarizer
2
iceland spar; test card; leather case
1
leather case
1
test card
1
Place
Paris
1
Paris, Ville de Paris, Île-de-France, France
1
Material
Iceland spar
2
velvet
2
brass (copper, zinc alloy)
1
calcite
1
copper (alloy)
1
cotton (textile)
1
cotton tape
1
glass
1
leather
1
metal (unknown)
1
Date
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Iceland spar
1876
Iceland spar
1801-1837
Bertrand prism of Iceland Spar
