Napier Bones

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It´s an abacus to make calculs: multiplication, divisions, even square roots.This analogic calculator was invented by J. Napier on1617.These series of rods, placed in different ways, allowed us to solve multiplication problems, long divisions and square and cubic roots. His method reduced these multiplication problems to sums and quotients were reduced to subtractions...It was of great use for day-to-day calculations and anticipated later calculating machines.

Workplace Office accessories Stationery Other HEMISFERIUM

Present at Maison&Objet Fair

From 10-14 September 2026

GIFT & PLAY

Hall 7 — Stands J142

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