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A Loftus Sikes's Hydrometer, cased, Cooke Troughton & Simms Gunsight Clinometer and Negretti & Zambra Jordan Sunshine Recorder (a lot)
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Comparison of Sunshine Duration Measurements between a Jordan Sunshine Recorder and Three Automatic Sensors at Shangdianzi GAW Station
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Late Nineteenth Century French Sunshine Recorder By Jules Richard Of Paris | 737507 | Sellingantiques.co.uk
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Sold at auction Jordan's Sunshine Recorder and Reynold's Azimuth Reflector Auction Number 3147M Lot Number 310 | Skinner Auctioneers
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