拍品专文
The second version of Hurter and Driffield's Actinograph of 1888. The calculator was based on Hurter and Driffield's patent number 5545 of 1888.
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细节
Actinograph exposure calculator
Marion & Co., London; the wood-body with engraved scales, paper Table of Factors sheet, in maker's fitted case
Marion & Co., London; the wood-body with engraved scales, paper Table of Factors sheet, in maker's fitted case
注意事项
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