⚜Scottish Inventions

Discoveries · Card No. 16

Decimal Fractions & Napier's Bones

John Napier · 1617

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Calculating rods used worldwide for 200 years

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Collection
Discoveries (50 cards)
Card No.
16
Name
Decimal Fractions & Napier's Bones
Key Figure(s)
John Napier
Year
1617
Field / Category
Science
Status
Placeholder