Lot #622 - Watkins standard actinometer
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Auction House:Bargain Hunt Auctions
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Sale Name:Antiques, Collectables & Treasures
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Sale Date:25 Feb 2017 ~ 10am
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Lot #:622
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Lot Description:Watkins standard actinometer
heavy brass actinometer (tint meter) made by R. Field & Co, Birmingham, c.1890, scales show: P (plate speed: 1 to 100), S (Subject: 1-500), D (Diaphragm: f4-f64, plus US 1-256), A (Actinic value: 1-500), E (Exposure: 2-900), -
Estimate:A$0 - 0
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Realised Price:
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Category:Unclassified
This Sale has been held and this item is no longer available. Details are provided for information purposes only.