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Locomotion
National Railway Museum
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Image
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3
Non-Commercial Use
3
Category
Mathematics
3
Maker
James Tree
1
Tree, James
1
Object type
slide rule (engineer)
3
slide rule (routledge)
2
slide rule (kentish)
1
Place
Birmingham
1
England
1
London
1
Material
mahogany
1
paper
1
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Routledge engineer's folding slide rule
1841-1860
Kentish's Engineers Slide Rule (c. 1840)
1840-1845
Routledge engineer's folding slide rule by J.Tree
1850-1851
