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Details
A fine mid 17th-Century set of English boxwood Napier's Bones,
comprising ten calculating rods with punched and inked-in numerals, triple cube and square root rod, and fixed multiplier rod and lip, the case with geometric designs and sliding cover -- 3¼in. (8.3cm) wide
See Colour Illustration
comprising ten calculating rods with punched and inked-in numerals, triple cube and square root rod, and fixed multiplier rod and lip, the case with geometric designs and sliding cover -- 3¼in. (8.3cm) wide
See Colour Illustration
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.