拍品 149
149
An unusual 18th-Century English boxwood slide-rule,
No VAT will be charged on the hammer price, but VA… 顯示更多
An unusual 18th-Century English boxwood slide-rule,

細節
An unusual 18th-Century English boxwood slide-rule,
signed *W: FLOWER:PROJECTR*, one side with two slides side by side, the other with two slides separated by a scale, all engraved with various graduations, two on both sides -- 22.9cm. (9in.) long
注意事項
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.