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2
Non-Commercial Use
2
Category
Mathematics
2
Maker
Appleyard, Rollo
1
Capt. Francois-Louis Roux
1
Rollo Appleyard
1
Roux, Francois-Louis
1
Object type
calculator (nautical)
2
Place
Marseilles
1
Marseilles, France
1
Material
brass (alloy), lacquered
1
instructions: cards, printed
1
Date
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Decrement dial for nautical calculations
Captain Roux's 'Paracyclone'
1875
