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WITH A PLAQUE FOR OPTIKER W. KOCH ZÜRICH
細節
A Swiss barograph
With a plaque for OPTIKER W. KOCH ZÜRICH
With recording drum, inking arm, aneroid and thermometer, on a black-painted tin base with gilt decoration and a glazed cover
21.3cm. wide
With a plaque for OPTIKER W. KOCH ZÜRICH
With recording drum, inking arm, aneroid and thermometer, on a black-painted tin base with gilt decoration and a glazed cover
21.3cm. wide
注意事項
Christie's charges a Buyer's premium calculated at 23.205% of the hammer price for each lot with a value up to €110,000. If the hammer price of a lot exceeds €110,000 then the premium for the lot is calculated at 23.205% of the first €110,000 plus 11.9% of any amount in excess of €110,000. Buyer's Premium is calculated on this basis for each lot individually.